1981 GMC K2500 Engine Parts

Essential 1981 GMC K2500 Engine Parts

Edelbrock – Valve Seat for B/B Chevy heads with 2.19" Valves (Part No.9716)

Valve Seat for B/B Chevy heads with 2.19" Valves

from

$22.99
Product Features:
  • 2.19 in.
  • Ductile Iron Material
  • Intake
  • Sold Individually
  • Made In The USA
See More

Melling – Stock Replacement Oil Pump Shaft Guide (Part No.M-55005)

Stock Replacement Oil Pump Shaft Guide

from

$2.99
Several Melling oil pump applications require the use of an oil pump shaft guide. Melling provides high quality shaft guides for specific pump applications. An oil pump shaft guide is necessary to connect the oil pump drive shaft to the intermediate drive shaft. Melling recommends installing a new oil pump shaft guide when it is needed.

Product Features:
  • Manufactured from high quality nylon for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
See More

Mr. Gasket – Oil Filler Tube (Part No.2066)

Oil Filler Tube

from

$20.99
Chrome-plated steel oil filler tube. Works with Mr. Gasket’s matching #2063 Oil Filler Cap with PCV fitting.

Product Features:
  • Chrome plated steel filler tube is 7-3/4″ overall length
  • Fits Mr. Gasket breather #2063
See More

Mr. Gasket – Cam Change Gaskets (Part No.4406)

Cam Change Gaskets

from

$63.09
If you want to update just your camshaft and aren’t doing a complete engine overhaul, this kit contains all the gaskets needed to change out your camshaft. That way you don’t have to buy a complete gasket kit just to change the cam, but still can replace all the gaskets you should in the process.

Product Features:
  • Contains all the gaskets needed to change out your camshaft
  • Fuel Injector O-Ring Not Included
  • Meets Performance Standards
See More

Spectre – Dipstick; Engine Oil (Part No.57283)

Dipstick; Engine Oil

from

$16.99
Spectre’s Engine Oil Dipstick was designed to fit 1980-1996 small block Chevrolet engines. Built to OEM specifications, this dipstick features a gold iridite stick and chrome tube and handle. Measuring 24 inches in overall length and with a tube length of 16 1/2 inches, markings match OEM for true accuracy ensuring optimum function.

Product Features:
  • Finish shows oil better
  • Markings match OEM for true accuracy
  • Fits small block Chevrolet engines for years 1980-1996
  • Tube length 16.5 inches, overall length 24 inches
See More

Cloyes Performance – Engine Camshaft Thrust Plate (Part No.9-220B)

Engine Camshaft Thrust Plate

from

$18.99
0.150″ Thick. Bronze Thrust Washer.

Product Features:
  • 0.150″ Thick
  • Bronze Thrust Washer.
See More

Sealed Power – Engine Piston (Part No.2773PNA .50MM)

Engine Piston

from

$118.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Cast with FM132 Eutectic proprietary alloy
  • Performance & dependability of original equipment pistons
  • High quality aluminum
  • Utilizes ISO & QS certified manufacturing
  • Meets or exceeds OEM specifications
See More

Gates – Oil Filler Cap (Part No.A6140205471GAT)

Oil Filler Cap

from

$22.05
Oil Filler Cap

Cloyes Performance – Engine Camshaft Bushing (Part No.P9005)

Engine Camshaft Bushing

from

$24.99
Replacement Hex-A-Just Billet Steel Camshaft Dowel Eccentric Bushing; 100% USA Made; Meets or exceeds OEM performance requirements; Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.

Product Features:
  • Replacement Hex-A-Just Billet Steel Camshaft Dowel Eccentric Bushing
  • 100% USA Made
  • Meets or exceeds OEM performance requirements
  • Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.
See More

Mr. Gasket – Special Cam Bolt (Part No.944G)

Special Cam Bolt

from

$12.99
These Mr. Gasket cam bolt kits feature specially hardened bolts to keep the cam button secure so the cam won’t walk out of place. Can also be used as original equipment replacement. Includes three 5/16 inch-18 x 3/4 inch Long Grade 5 Bolts with Black Oxide Finish.

Product Features:
  • Black oxide coated Grade 5 steel
  • Includes flat washers to secure Mr. Gasket cam buttons 1180, 1181 and 1183
  • Can be used as OE replacement
See More

Mr. Gasket – Billet Style Aluminum Crankshaft Pulley (Part No.5317)

Billet Style Aluminum Crankshaft Pulley

from

$103.99
The machined aluminum pulley has been heat treated for strength and has a satin finish.

Product Features:
  • Made from aluminum
  • Heat treated for strength
  • Satin finish for a more subtle hi-tech look than chrome
  • Matches water pump pulley #5315
See More

Edelbrock – Signature Series Valve Covers: Big Block Chevy 396-502 1965 & Up, Chrome Steel (Part No.4480)

Signature Series Valve Covers: Big Block Chevy 396-502 1965 & Up, Chrome Steel

from

$78.99
The Edelbrock #4480 Signature Series Valve Covers are designed for Chevrolet 396-502 V8 ’65 & later applications. Engineered for function and styled for great looks, Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.

Product Features:
  • Big Block Chevy 396-502 1965 & Up
  • Short
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
See More

Mr. Gasket – Timing Cover Seal (Part No.18)

Timing Cover Seal

from

$15.99
If you are changing your camshaft or replacing the timing set, make sure to replace this seal at the same time! Metal with Nitrile rubber seal.

Product Features:
  • Nitrile Rubber And High Density Cork
  • Will Not Shrink Or Stick
See More

Sealed Power – Engine Piston Set (Part No.8KH423DCP 30)

Engine Piston Set

from

$190.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Hypereutectic
  • Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
  • Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
  • Piston skirts protected by next-gen DUROSHIELD« coating.
  • TAC┐ ring groove geometry
  • Weight matched to +/- 2 grams.
See More

Edelbrock – Performer RPM 435 Top End Kit for 1987 & later Chevy 383 V-8 Engines (Part No.2097)

Performer RPM 435 Top End Kit for 1987 & later Chevy 383 V-8 Engines

from

$4311.99


Product Features:
  • Matched Parts Available Under One Part Number
  • All In One Box Convenience
  • Make Things Easier In Parts Selection
  • Includes Almost Everything You Need
See More

Edelbrock – RPM Small-Block Chevy Cylinder Head SBC 70cc Hydraulic Flat Tappet Cam (Part No.60759)

RPM Small-Block Chevy Cylinder Head SBC 70cc Hydraulic Flat Tappet Cam

from

$1014.99
Product Features:
  • 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
  • 70cc Combustion Chambers Improve Performance
  • Retain Stock Compression Ratio
See More

National – Shaft Repair Sleeve (Part No.99176)

Shaft Repair Sleeve

from

$46.49
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
See More

Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-55H)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$13.49
A new Melling oil pump shaft is recommended to complete every new oil pump install. Melling offers a complete line of high quality shafts for domestic and import pump applications. A new oil pump shaft is necessary due to possible metal fatigue, cracking

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
See More

KAI – Engine Oil Pan (Part No.PAN010041)

Engine Oil Pan

from

$64.99
New Platinum Pro Oil Pan, 4 Quart, Without Oil Level Sensor Hole

Product Features:
  • 4 Quart, Without Oil Level Sensor Hole
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
See More

Sealed Power – Engine Push Rod (Part No.RP-3093)

Engine Push Rod

from

$2.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • State-of-the-art manufacturing
  • Exceptional material quality
  • Exacting tolerances
  • Heat treated tips
  • Stock or mild modified replacement
  • Made in USA
See More

Felpro – Engine Push Rod Gasket Set (Part No.PS 13228)

Engine Push Rod Gasket Set

from

$16.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Sealed Power – Engine Camshaft Bearing Set (Part No.1235M 1)

Engine Camshaft Bearing Set

from

$30.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Steel-backed Babbitt lining material
  • Used in automotive and high-performance
  • Babbitt is designed to perform under extreme loads w/o damaging other engine parts
  • Babbitt is more environmentally friendly than other material
  • ISO & QS certified manufacturing
See More

Felpro – FULL GASKET SET (Part No.FS 7733 PT-3)

FULL GASKET SET

from

$76.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
  • STRONG AND DURABLE — Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
See More

Sealed Power – Engine Rocker Arm Ball (Part No.MR-1783)

Engine Rocker Arm Ball

from

$0.65
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More

Sealed Power – Engine Gasket Set (Part No.260-1932)

Engine Gasket Set

from

$332.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Each 260 gasket set includes Fel-Pro½ gaskets (# 1 brand of gaskets)
  • Provides the exact gaskets the application requires.
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Imperial – Engine Oil Cooler (Part No.241046)

Engine Oil Cooler

from

$259.99
Product Features:
  • Imperial Swirl-Cool« engine oil cooler kit
  • Size: 1-1/2″ x 6-1/2″ x 18″
  • Heavy-duty applications
  • Chevrolet V8 applications
  • Size: 1.5 in. x 6.5 in. x 18 in.
  • Heavy duty applications
  • Specifically designed for Chevrolet V8 applications with metal line kit for easier installation
  • Two-pass design for increased cooling
See More

Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S390T)

Engine Timing Camshaft Sprocket

from

$10.49
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
See More

National – Multi Purpose Seal (Part No.710258)

Multi Purpose Seal

from

$34.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
See More

Popular 1981 GMC K2500 Engine Parts Categories

1981 GMC K2500 Engine Parts

You count on your 1981 GMC K2500 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 389 Engine Parts ranging in price from $0.43 to $5,984.99, you’re sure to find everything you need for your 1981 GMC K2500.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 24 different brands like Sealed Power, Felpro, and Melling. 1981 GMC K2500 Engine Parts start as low as $0.43!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 1,158 extensive product reviews on 1981 GMC K2500 Engine Parts. Some of the top-rated Engine Parts products we carry are Engine Long Block; Chev 350 64-85 H.P. Mid-Drss with 4.8 stars and Engine Valve Cover Gasket Set with 4.6 stars.

Did we mention you can order your Engine Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Engine Parts inventory for your 1981 GMC K2500 below to get started!

Top-Rated Engine Parts Brands For Your 1981 GMC K2500

Trusted Engine Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1981 GMC K2500 running right for years to come. In our inventory you’ll find brands like Sealed Power, Felpro, Melling, and even more.

Popular Anchor Engine Parts

You’ll find popular Anchor brand products across Engine Mounts. All are waiting to get your 1981 GMC K2500 back on the road. Some of the top-rated Anchor products in these categories are:
Engine Mount: Front Left, Front Right, 1 Piece
from $13.49
(18)
Engine Mount: Front Left, Front Right, 1 Piece
Engine Mounts

FAQs for 1981 GMC K2500 Engine Parts

What are the most purchased Engine Parts for the 1981 GMC K2500?

Out of 389 Engine Parts for the 1981 GMC K2500, the most popular in our inventory are:
Engine Valve Lifter
from $13.99
(15)
Engine Valve Lifter
Engine Valve Lifters
Engine Push Rod
from $2.99
(5)
Engine Push Rod
Push Rods
TIMING COVER GASKET SET
from $19.99
(24)
TIMING COVER GASKET SET
Timing Cover Gasket Sets

What are the top-rated 1981 GMC K2500 Engine Parts?

Top-rated Engine Parts for your 1981 GMC K2500 based on customer reviews/ratings are:
Engine Long Block; Chev 350 64-85 H.P. Mid-Drss
from $4158.99
(32)
Engine Long Block; Chev 350 64-85 H.P. Mid-Drss
“Fit and work perfectly.”
Engine Valve Cover Gasket Set
from $25.99
(17)
Engine Valve Cover Gasket Set
“Good product.”
Engine Oil Filler Cap: 10066, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
from $5.49
(15)
Engine Oil Filler Cap: 10066, Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
“Its an oil cap that fit and was cheap.”