GM 1982-2000 6.2 & 6.5 Diesel Fuel Feed Pumps

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GM 1982-2000 6.2 & 6.5 Diesel Fuel Feed Pumps

On the early GM diesel trucks either a mechanical or an electric feed pump was used to supply a low pressure of fuel, typically around 5 PSI, to the mechanical injection pump.  The part numbers vary according to the chassis style.

If you are not sure what style vehicle you have check our VIN decoder listed below.

C/K Series Trucks

R/V Series Trucks

G Series Vans

P Series Vans


Instructions on how you can decode your VIN (Vehicle Information Number) number.

Step 1 = The Chevrolet truck's VIN number is on a tag on the driver's side under the windshield molding attached to the dash panel. Older models have a tag attached to the firewall or door jam. It can also be found on the vehicle's certificate of title.

Step 2 = The first character will indicate where the truck was manufactured. The number 1 is for the USA, 2 for Canada, 3 for Mexico, J for Japan, K for Korea, S for England, and W for Germany.

Step 3 = The second character cites the manufacturer. The letter G is assigned to a General Motors vehicle.

Step 4 = Learn the division from the third character. Number 1 is for Chevrolet. Other GM codes are 2 for Pontiac, 3 for Oldsmobile, 4 for Buick, 6 for Cadillac, and 8 for Saturn.

Step 5 = Gross Vehicle Weight Rating, or GVWR, is revealed by the fourth character. A is for 0-3000 pounds, B for 3001-4000, C for 4001-5000, D for 5001-6000, E for 6001-7000, F for 7001-8000, G for 8001-9000, H for 9001-10000, J for 10001-14000, K for 140001-16000, L for 16001-19500, and M for 19501-26000.

Step 6 = The type of chassis comes from fifth character. B is for an incomplete vehicle, C for a 4x2 full-size pickup, E for a 4x2 compact pickup, G for a van, H for a cutaway chassis, J for a 4x4 compact pickup, K for a 4x4 full-size pickup, P for a forward control chassis, R for a 4x2 full-size pickup, S for a 4x2 sport-utility, T for a 4x4 sport-utility, U for a 4x2 all-purpose vehicle, V for a 4x4 full-size pickup, W for a Chevrolet El Camino, and X for a 4x4 all-purpose vehicle.

Step 7 = Character No. 6 informs of the body style. The number 1 is used for a 1500, 2 for a 2500, 3 for a 3500, 4 for a ½ ton heavy duty, 5 for a 3 ton GMC, 6 for a ½ ton Luxury 1500, 7 for a ¾ ton Luxury 2500, and 8 for a 1 ton Luxury 3500.

Step 8 = Identify the body type through the seventh character. The number 3 is for a four-door cab, 4 for a two-door cab, 6 for a Suburban, 7 for a Motor Home chassis, 8 for a two-door sport utility, 9 for an extended cab, and 0 for a chassis only.

Step 9 = Find the type of engine used with the eighth character. Engine combinations vary for each model and year. Some of the more popular truck engine codes are C for a 6.2 diesel, F for 5.0 gasoline engine, R for a 5.7, and W for a 4.3. Use an Internet VIN decoder to find the engine specifications for your truck.

Step 10 = The 10th character indicates the year of the vehicle. The letter A is used for 1980, B for 1981 and in alphabetical sequence up to H for 1987. Then J is for 1988 and K is for 1989. The 1990s start with the letter L for 1990, M for 1991 and N for 1992. It jumps to P for 1993 and goes to R, S and T for 1994, 1995 and 1996, respectively. Letters V through Y are used in sequence for years 1997 through 2000. The number 1 is used for 2001 and 2 for 2002, and the numbers 3 through 9 are used in order through model year 2009.

Step 11 = Plant location is the 11th character. B is for Baltimore, Md., E for Pontiac East, Mich., F for Flint, Mich., J for Janesville, WI., K for Linden, N.J., R for Arlington, Texas, V for Pontiac, Mich., and Z for Fort Wayne, Ind. The number 1 is for Wentzville, Mo., 2 for Moraine, Ohio; 3 for St-Eustache, Québec, 5 for London, Ontario, 8 for Shreveport, La., and 9 for Oshawa, Ontario. There are also several international manufacturing plants that are not included here.

Step 12 = Identify the remaining six characters to find the production sequence of the Chevy truck. The last six digits also designate the serial number and appear as a portion of the original engine casting number.


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