Information is provided for General Motors, Manual Trans Reference GM 3, 4, 5 and 6 speeds V24, Chevrolet Car Manual Transmission Rebuild Kits, Axle Shafts CJ Single Piece Conversion Kit, Front Axle Shaft Heavy Duty Jeep and Pickup Trucks, Bearing Overhaul Kits Rear End Differential -, Differential Rear End Bearing Overhaul Kits, Differential - Rear End Bearing Overhaul Kits (3), Differential - Rear End Bearing Overhaul Kits (4), Custom 12 Bolt Up-Grade GM Car Differentials, Ford 9 3/4 inch Differential Upgrade Replacements for 8.8 inch, Rear End Differential Custom and Production. The Muncie 3-speeds I've had were very much like Saggy 3-speeds; a little beefier maybe, but not much different overall. THM375 - This transmission is a derivative of the THM400 sharing the external appearance of the 400. ONINE Running Boards Compatible for 2019-2023 Chevy Silverado/Gmc Sierra 1500, 2020-2023 Chevy Silverado/Gmc Sierra 2500HD 3500HD Crew Cab Drop Side Step Nerf Bar Rock Slider, Textured Black oEdRo 6'' Running Boards Compatible with 07-18 Silverado/Sierra 1500 Crew Cab & 07-19 2500HD/3500HD, Bolt-on Drop Side Steps Rails, Black Powder Coated . Don't see your Transmission? covers. Aluminum case with top cover, internal single-rail shift with the shifter mounted on the extension housing. To illustrate this point if a young buyer pinching those pennies back in 1965 wanted to buy a new Mustang with a 289 CID V8 the 3-speed manual was standard. The 4 cylinder models have 4 large cooling holes near the torque converter, while on the "bigger cars" there are no cooling holes. This page was last updated: 04-Mar 14:13. The store will not work correctly in the case when cookies are disabled. You are currently viewing Chevrolet.com (United States). Balance 130 Tooth Flywheel. This 5-speed is based on the T4 Design. Cast iron case with cast iron top cover . . They should be like 4.11 or a little under [3.73] which would give you overall ratio 12.08 in 1st gear and 2.87 in 3rd OD..Lets say your rear tires are 27" diameter, that would give you 2507 rpm @ 70 mph with 4.11 gears..2256 rpm with 3.73 gears giving 2.61 overall in 3rd OD.. Those from 1955-68 may have electric overdrive. He recommends Valvoline 80-90 conventional gear lube with the MT-1 sub-spec (mentioned above) which is good for the yellow parts. This gasket set is made for 1933-36 Chevrolet Standard Transmissions and U-Joints. All gears, including reverse, are helical cut. Adding parts that weren't part of the original design is impossible simply because they won't fit. FAST- Easy installation, 700, VALVE TCC NON LOCKUP (700R4) (82- 92) INCREASE LUBE FOR NON LOCKUP TORQUE CONVERTER Converter Conversion Valve: For installing non-lockup converter. Manual Transmission 4X2 3 Speed Fits 64-68 CHEVROLET 10 PICKUP 855990 (For: Chevrolet) ORIGINAL AS FOUND, 90 DAY WARRANTY Pre-Owned $150.00 frenchlakeautoparts-store (26,461) 99.7% Buy It Now +$110.00 shipping Sponsored Muncie 318 GMC Chevy Rebuilding Kit 1954-1969 3-Speed (BK131A) Brand New $69.95 usa.industries (100,318) 99.2% Buy It Now Billy Possum Brand propeller shafts are no longer offered. Reverse shift lever is located in the extension housing, along with main shaft reverse which is a straight cut gear. Agree,..the chief engineer (George) at Autogear says NOT to use synthetics in his Muncies,..the synchros don't work as well. Cases, extension housings and side covers may be cast iron or aluminum and in any combination thereof. Check if this fits your vehicle. June 22, 2022; Posted by la vie en rose piano; 22 . The 3-speeds were just as beefy and robust as . Open to all models including Belair, 210, 150, Sedans, and Nomads. Generally able to handle up to 400 foot pounds of torque. The 4L80E would be the "electronic" model. The only gears that are removable from the countershaft are 3rd and 4th. (on manual trans). Number of bids and bid amounts may be slightly out of date. These are made by other top industry brands such as Classic Headquarters, Right Stuff Detailing, B&M Racing, Holley Performance and Shiftworks. Sales & Service Teams now available 7 days a week! 1925(Series K), 1926-54 Chevrolet U-Joint Gasket Set except 33-36 Standard, and 50-54 Powerglide. 4L60E, SHIFT KIT 4L60E 93-UP (PWM VALVE UPGRADE), CORRECTS SHUDDERS, SLIPS, PLANET FAILURE. This page covers automatic trannies. Length 3.500 in. These similar transmissions have three different designs and designations. There are no brass synchro rings. Cast iron case, extension housing and side cover. I beat on a Ford style three speed all synchro for years. vehiclesofvictory.co m.doc: What makes this code so elusive is that it points to a fault for shift solenoid E. The technician tries to determine which is shift solenoid E and . 10L90-E Automatic Transmission: 19420480 | Performance, Emissions Standards Compliance | Chevrolet Performance. Longer answer - Synchronizers are part of the transmission design. Transmission Cable Shift (A/T) Transmission Control Module. Others have a tag rivited to the case. Features of the GM Turbo 350 Transmission. The gears load from the side just like any other Muncie or Saginaw. These assemblies are improved from the originals by having modern elastomer seals pressed in. Having a powerful engine and flashy body panels don't matter if nothing happens when you hit the gas pedal. Most gaskets except rear packing will fit 25-30 truck 4 speed. This hole appears to be somewhat random in its location. A = Jan, B = Feb, C = Mar, D = Apr, E = May, H = Jun, K = Jul, M = Aug, P = Sep, R = Oct, S = Nov, T = Dec. Only fits passenger and 1/2 ton truck with 3 speed transmission. Non-synchronized 1st, but has only brass type synchro rings for 3rd/4th. All main shaft gears ride on bushings pressed on the shaft. - Chassis Vin Number stamping - beginning in 1962. The MC1 was offered on 1969 Chevelles (350 V8-up versions used the 2.42:1 low), not at all in 1970, then in 71-72 just behind 402 in Chevelles (rare). 1968-1969 Torquedrive Chevrolet (manually column shifted 2 speed automatic, 6 cyl only) 1956-1964 4 speed Controlled coupling HydraMatic, also known as . Corrects lube flow thru converter. The fourth gear ratio in the 4L60e allows us to cruise comfortably on the interstate at around 2500-3500 RPM instead of 4500-5500 RPM, saving gas and excess wear on the engine. Teardown is necessary before ordering rebuild kit as the differences between them are integral. The big gear spread between 2nd and 3d seemed to be the largest drawback to the trans. Aluminum end-loaded case with the bearing retainer being cast as part of the main case. Converts back to automatic from the outside, in 5 minutes. That makes it easier to install on LT engine swaps into vintage cars, trucks, and SUVs. Comes sealed in cellophane on cardboard backing. 400, SHIFT KIT 400 65-UP (TransGo ) Corrects /Prevents /Reduces: Soft Late Shifts: 3rd clutch burn up; rough 1-2; Some transmissions have a code stamped onto them. Connect with us via email and social media today. Has GM casting numbers and one P.T.O. A bushing dowel is included. If you want a synchronized first gear, get a four speed. SKU # 226883. with the lever to any gear at any speed. Transmission Seal. Only fits passenger and 1/2 ton truck with 3 speed transmission. 12:1 compression, solid lifter cam, forged internals, headers, single plain, etc. It was pretty much identical to a saginaw except built heavier. $9.77 $11.95. 1925-1931 Rear Axle Inner Seal Assembly (with modern elastomer seal). Achetez des ARBRES DE TRANSMISSION ET DIFFRENTIELS de rechange pour CHEVROLET Rezzo U100 1.6 107 CH 1598 cc KBA No: 8260 / 042. THM200 - Light duty, "metric" 3 speed transmission. Important Note: (Transplants With No Computer, Must Use T74173E & T74431A) 0 6 218.33 Front and rear main bearings are tapered. Isuzu logo is cast into the drivers side of the case. The nut that secures the bearing to the axle. Only fits passenger and 1/2 ton truck. list price $7,991 236,584 miles Greenville, SC Mercedes Driveline and Driveshafts Replacements, Driveline and Driveshafts Replacements Toyota, Rebuilt Manual Transmission Professional Built, International Scout Rebuilt Manual Transmission, Six Speed Transmission Conversion Kit Dodge Cummins Diesel, NV5600 Transmission Conversion Kit 1 Dodge Diesel Truck, NV5600 Transmission Conversion Kit 2 Dodge Diesel Truck, NV5600 Transmission Conversion Kit 3 Dodge Diesel Truck, Performance Manual Transmissions, TKO500, TKO600, T5 & T56. Chevrolet didn't put automatic transmissions behind solid-lifter engines until 1969, which left it at a disadvantage in drag racing. Casting numbers on the case, cover or extension housing are 13-51 or 13-52. The Turbo 375 was modified to accept the Turbo 350 driveshaft yoke. The clutch system, which disengages the engine from the drivetrain to change gears, usually has the highest number of issues. Other lubes such as Castrol, don't . Today that seems reasonable however $184.02 1965 dollars adjusted to 2015 dollars is a whopping $1,384.93. You are currently viewing Chevrolet.com (United States). In layman terms this means that there is a problem with the signal coming from the Camshaft Position Sensor (CPS). CHEVROLET 'Astro' AUTOMATIC '4L60E' TRANSMISSION PARTS, CHEVROLET AUTOMATIC TRANS TRANSMISSION PARTS, CHEVROLET AUTOMATIC TRANSONLINE TRANSMISSION PARTS, CHEVROLET 'Camaro' AUTOMATIC '6L80' TRANSMISSION PARTS, CHEVROLET 'Camaro' AUTOMATIC '4L60E' TRANSMISSION PARTS, CHEVROLET 'Camaro' AUTOMATIC '6L50' TRANSMISSION PARTS, CHEVROLET 'Cobalt' AUTOMATIC '4T45E' TRANSMISSION PARTS, CHEVROLET 'Cruze' AUTOMATIC '6T40' TRANSMISSION PARTS, CHEVROLET 'Equinox' AUTOMATIC '6T70' TRANSMISSION PARTS, CHEVROLET 'Equinox' AUTOMATIC '6T45' TRANSMISSION PARTS, CHEVROLET 'HHR' AUTOMATIC '4T45E' TRANSMISSION PARTS, CHEVROLET 'Impala' AUTOMATIC '4L60E' TRANSMISSION PARTS, CHEVROLET 'Impala' AUTOMATIC '4T65E' TRANSMISSION PARTS, CHEVROLET 'Lumina' AUTOMATIC '4T60E' TRANSMISSION PARTS, CHEVROLET 'Lumina' AUTOMATIC '4T65E' TRANSMISSION PARTS, CHEVROLET 'Malibu' AUTOMATIC '6T70' TRANSMISSION PARTS, CHEVROLET 'Malibu' AUTOMATIC '4T65E' TRANSMISSION PARTS, CHEVROLET 'Malibu' AUTOMATIC '4T40E' TRANSMISSION PARTS, CHEVROLET 'Malibu' AUTOMATIC '4T60E' TRANSMISSION PARTS, CHEVROLET 'Malibu' AUTOMATIC '6T40' TRANSMISSION PARTS, CHEVROLET 'Malibu' AUTOMATIC '4T45E' TRANSMISSION PARTS, CHEVROLET 'Orlando' AUTOMATIC 'TBD' TRANSMISSION PARTS, CHEVROLET 'Spark' AUTOMATIC 'TBD' TRANSMISSION PARTS, CHEVROLET 'SSR' AUTOMATIC '4L60E' TRANSMISSION PARTS, CHEVROLET 'SSR' AUTOMATIC '4L65E' TRANSMISSION PARTS, CHEVROLET 'Tahoe' AUTOMATIC '4L60E' TRANSMISSION PARTS, CHEVROLET 'Tahoe' AUTOMATIC '4L80E' TRANSMISSION PARTS, CHEVROLET 'Tahoe' AUTOMATIC '6L80' TRANSMISSION PARTS, CHEVROLET 'Terrain' AUTOMATIC '6T70' TRANSMISSION PARTS, CHEVROLET 'Terrain' AUTOMATIC '6T45' TRANSMISSION PARTS, 350, MODULATOR ADJUSTABLE RED STRIPE 350/C, 350, MODULATOR MEDIUM ADJUSTABLE BLACK and RED STRIPE 350/C LOW VACUUM TYPE, 350, FRICTION INTERMEDIATE 350 ALTO RED EAGLE RACING, 350, FRICTION ALTO RED EAGLE RACING FORWARD / DIRECT, 350, FRICTION ALTO RED RACING LOW / REVERSE, 350, BUSHING KIT 350/ 350C 69-86 INCLUDES ALL BUSHINGS, 350, SPRING INTERMEDIATE ACCUMULATOR 350 ALL, 400, CARRIER OUTPUT SILENCER RING TH400 (69-UP), 400, PUMP GEAR KIT FRONT .727 400 (64-UP), 400, BEARING KIT 3 TORRINGTONS 400 64-98 (includes 3 Torrington bearings with races. Emissions Standards Compliance | Chevrolet Performance. Find many great new & used options and get the best deals for CHEVY GMC SHIFT SELECTOR BRACKET POWERGLIDE TH350 TRANSMISSION LINKAGE 2-SPEED at the best online prices at eBay! I agree with the 4 speed or later 3 speed :tu. Most common was the 2.42:1 low (same 1st ratio as the Dearborn) but there was also a 3.03:1 low for use on lower torque engines (307-down). Length 3.500 in. Did GM Fix The 2023 Chevy Colorado 8-Speed Transmission: Video; - Assembly Date Code Stamping - can be stamped anywhere Plus. Ram Clutches 1523 Chevy Pre-86 '400' Balance 168 Tooth Flywheel. Find your GM transmission below so you can shift like a Monster. If you've got a manual transmission, we're assuming it's a four speed, because (from what we can tell) Chevy dropped the base manual 3-speed after 1969. THM200-R4 - Used in GM rear wheel drive cars with the 3.8 V6, 305 & 350 Olds and 301 pontiac from 1981 to 1989. 4L80 - An overdrive model of the THM400. VALVE UPGRADE Corrects/Prevents/Reduces: FIXES late shifts - Sticking TV Valve. Close this window to stay here or choose another country to see vehicles and services specific to your location. Prior to 1967, transmission ID numbers contained the plant prefix code, month and date of production (expressed numerically) and a shift code (D = Day, N = Night). It has a four step cluster and all the gears are helical cut. 1937 Master DeLuxe 2dr sedan, 250 six with 2 deuces and split manifold. Ram Clutches 1583 Chrysler 8 Bolt Int. Is it possible to add a syncro to 1st gear in this original transmission? Only fits passenger and 1/2 ton truck. Look inside the column box. Produced for the S10/S15 trucks with GM and Isuzu engines. NOTE: =should be in stock and available to ship within 1-2 business days. The MUNCIE model 330 transmission is covered in this section it's a heavy duty, rear wheel drive or 4WD, 3 speed transmission used starting in 1060 by General Motors in Chevrolet Camaro, Bel Air, Biscayne, Impala, Chevelle, El Camino, Malibu, Blazer, Jimmy Subarban Pickup and Vans. The number on the front cluster gear is DK55836. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Transmission Mount. Cast iron case with cast iron top cover from 1968-87 and an aluminum top cover 1988-91. It has a removable tube that the throwout bearing rides on. This number will contain division ID #, model year, assembly plant and production sequence (last 6 digits) of the VIN stamped onto the transmission. After locating correct unit a link is supplied to provide detailed information on specific kit and parts that are available for your unit. The constants in decoding the trans ID number are the date the transmission was produced. Project Update Section, Post Project Updates Here, Suspension Questions Chassis, Brakes, Shocks, Etc. 3-speed from 1965 through 1968. There is an internal single-rail shift linkage with the shifter mounted on top of the extension housing. These seals prevent the differential grease from reaching the axle outer bearing. My 68 SS396 came with the muncie 3spd in the console. Run in circles, scream and shout. My parents were original owners of a 68 GTO with only 3 options. Balance Flywheel. STARTING MSRP $29,300. Something went wrong. The Muncie is larger/heavier than the Saginaw. The base engine remains the 4.3-liter EcoTec V6 with 276 hp and 296 lb-ft, the third option a 2.8L Duramax four-cylinder diesel with 181 hp and 369 lb-ft. Caution: Some transmission main drive shafts have a bleed hole forward of the main drive bearing. On the THM200-R4 the VIN is stamped onto the housing towards the rear of the pan, on the drivers side. The number on the front cluster gear bearing is 67010BCE. This 7-3/8" long extension housing can eliminate transmission crossmember modifications when replacing a TH400 or TH200-4R transmission with a 4L60 assembly. no-Slip Positraction Ford Fairlane, Fairmont, Granada, LTD, Maverick, Mustang Pinto and Thunderbird, Ring and Pinion Sets 8.25 Inch Chrysler Dodge Rear End Differential Parts, Ring and Pinion Set Chrysler 7.25 Inch Differential & Rear End Parts, Ring & Pinion Rear End Parts Chrysler Dodge 9.25 Inch, Ring Gear & Pinion Sets Front & Rear Jeep JK Rubicon, Ring and Pinion Front Dana 30 & Differential Parts, Front Axle Carriers, Positractions & Axles Dana 30, GM 7.5 & 7 5/8 Inch Ring & Pinions Installation Kit, Ring and Pinion GM 8.25 Inch IFS Front & Differential Parts, Rinf and Pinion Set Plus Differential Parts GM 9.5 Inch. If the hole is present and located such that any part of it is within the range of 7/16" to 1/2" from the face of the main drive bearing, it is not recommended to use this retainer with seal. Address: 1325 Glendale Avenue, Sparks, Nevada, 89431, USA, Use the following information to compare physical description of your Chevrolet or GMC manual transmission in order to identify what model transmission is in your vehicle. Classic Parts Shipped FAST w/Excellent Customer Service, Great Brands Free Shipping Warranty Easy Returns. This is the only GM 3 speed with the same bearing front and rear. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! Some of 1964-65 units have larger gears with the same tooth count as the 1940-68 units. See each listing for international shipping options and costs. {RB`!#8/0^/z"6f&23|(:FfsYM98]jx> V^d3LYTU fmM(nNw0`)y1*Vfag9i1g. Made of high quality paper, rubber impregnated cork, and rubber. 888-637-5527. The transmission is now turning the driveshaft through a full revolution for every 7/10 of a revolution in the engine (0.7:1). If you can find a shaft, or yours is still in good shape, below is a new install kit that is still offered. They are as tough as nails, And as Paul Harvey used to say"and now you know the rest of the story", 1968 Malibu sport coupe, 489 ci. These parts are manufactured using modern methods to meet or exceed the performance of the originals. This transmission is found in performance applications. Sometimes it just needs an adjustment . is separate and houses the two front bearings. This is for 1925-54 Chevrolet U-Joints except 1933-36 Standard and 1950-54 Powerglide transmissions. Where is the best place to get needle bearings and small parts for a Chevy 341 3 speed stick transmission? The main case casting is 3854726 the tail housing casting is 3856722 and the side cover is 3849584. To clarify this a little, the whole top loader is true for a few years 1969 and a few prior years. Members; FAQ; Dark Mode Light Mode Menu Log in Register Home. The four main supporting bearings in this unit are tapered. downshift clunk, 3-4 clutch failure, no lockup, 2-4 band failure, early shifts, 1-2 slide/bump, 2-3 cut loose; reverse clutch failure, 83-87 lets you make T.C. Found in heavy duty applications. CHEVROLET (341) 4-bolt side cover with round-gear selection shafts TREMEC (352) 9-bolt top cover; first-gear synchronized FORD (337) . This is a modern elastomer seal which exactly replaces the original cork and steel washers. Fully synchronized with 36 tooth synchro rings. When you enter the code SHIPFORFREE, we will immediately take $100 off your shipping charges at checkout. and a "waffle" pattern cast into the case. The 1-2 SS valve is a normally-open exhaust valve that is used with the 2-3 SS valve in order to allow four different shifting combinations. $250 rebate on the purchase of a Chevrolet Performance Transmission within 180 days of the purchase of any Chevrolet Performance CrateEngine, $250 rebate on the purchase of a Chevrolet Performance Transmission within 180 days of the purchase of any Chevrolet Performance Crate Engine. If the seal fails, the grease passes through the bearing and through the outer seal (which is just felt) onto the rear brake drum. We offer quality rebuilt manual transmission, parts and rebuild parts kits that are designed to be top of the line. Only fits passenger and 1/2 ton truck. Must have worked out pretty well, he was running high 10's back then and he was one of the fastest cars at the track that year. Traditional, mechanical transmissions have a fixed number of gear ratios . Automatic transmission types are generally identified by their pan shape. I asked him why he used the 3 speed over the Muncie 4 speed. Get every ounce of power possible to the wheels of your newly restored ride by visiting Eckler's Classic Chevy. Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. Casting number is C-9XXXX. Post-67 Example: P9E03 - (P = TYPE, 9 = year (1969), E = Month, 03 = Day of Month), Month code: (NOTICE this is NOT in alphabetic order) A bushing dowel is included. *Silverado 1500 2WD with available . Same transmission as the A833 with Overdrive that is found in Dodge trucks. 55-56-57 Chevy Forum. Fully synchronized with 36 tooth synchro rings. Jump to Latest Follow . 700, SHIFT KIT 700-R4 81-93 (TV VALVE UPGRADE) FIX-TV valve. AUTOMATIC cvt TRANSMISSION Power outlets L.E.D. Non-synchronized 1st gear, synchronized 2nd-4th. Chevy (341) Stock (34) BOP (6) Get Results; Transmission Shift Pattern. Replaces worn steel and bronze bushing assembly with a new steel and sintered bronze bushing assembly. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Loose needles and flat thrust bearings are used throughout the transmission. Complementing your Chevrolet Performance crate engine with a factory-engineerednew or remanufactured performance transmission is a cinch with our comprehensive lineup of automatic transmissions, torque converters and installation kits. Has GM casting numbers and two P.T.O. OnStar & Chevrolet Connected Services capable, Terms and limitations apply. 1984-88 units have overdrive. It was on its 3d motor, and that one was dead when I got the car. More than 90% of what's listed in our catalog ships within 24 hours, so there's no waiting on great performance. The Turbo 350 transmission may vary in-band specs and clutch. In addition to a new key and pinion nut, a new lock nut is is included to insure that the pinion thrust bearing is locked securely to the drive shaft. Late shifts, Transmission Torque Converter. Aluminum end-loaded case with integral bell housing. Early units have threads on the input shaft and do not have a front seal. Full manual control; Comes sealed in cellophane on cardboard backing. 1930-1933 Propeller Shaft Housing Bushing. Fits passenger, 1/2 ton truck with 3 speed transmission and 1931-47 1 1/2 ton truck 4 speed . JavaScript is disabled. Now coded as MC1 (not M13), it was offered with 2 different ratio sets. side cover Overhaul Kits. If you order a part and then decide to cancel the order without contacting us, you will be subject to a 5% refund fee as our merchant account / PayPal no longer returns fees charged to us and to cover paperwork. External transmission oil cooler, Externally mounted unit regulates your transmission oil to deliver peak performance . Alum 2-3 Accumulator piston. Ford meanwhile used the 303 RAN & 303 RUG for use on their various H.D. The program aims to guide you every step of the way. 1934-54 passenger, 1/2 ton truck with 3 speed transmission, 1931-47 1 1/2 ton truck 4 speed and some 25-30 truck 4 speed . THM350 - Medium duty 3 speed trans used from 1969 to 1989, Used in Buick, Olds, Pontiac and Chevrolet cars and Chevy & GMC light trucks until 1987. Toyota What "R", "G" and "W" Series transmission do I have? Has a sintered bronze bushing for long life. The 3L80HD would be the THM475 (heavy duty unit). Please dial their # at 800-341-9911 for PRE-APPROVAL DIRECT AUTO SALES (DLR) --- call, text (952)200-6092 . 1-Year Warranty. My velle had been pretty well ran hard and put away wet when i got it in 86. Made of rubber, high quality paper and rubber impregnated cork. Emissions This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations. Close this window to stay here or choose another country to see vehicles and services specific to your location. View cart for details. Transmissions have RPO numbers, usually beginning with "M".