1977 GMC G25 Engine Parts

Essential 1977 GMC G25 Engine Parts

Felpro – Engine Valve Cover Gasket Set (Part No.VS 12869 T)

Engine Valve Cover Gasket Set

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$46.99
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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • STRONG AND DURABLE — Features molded rubber over a rigid carrier which resists high heat
  • SUPERIOR SEAL — Proprietary rubber sealing beads help eliminate potential leak paths for a superior seal
  • EASIER TO INSTALL — Locating tabs assure proper alignment and easier installation
  • PREVENTS OVERTIGHTENING — Torque limiters help eliminate overtightening and gasket splitting and extruding
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Sealed Power – Engine Exhaust Valve (Part No.V-1904)

Engine Exhaust Valve

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$6.49
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.
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Sealed Power – Engine Rocker Arm Kit (Part No.R-826)

Engine Rocker Arm Kit

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$3.49
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:
  • Complete rocker arm assembly
  • 1 Arm
  • 1 Ball
  • 1 Nut
  • Utilizes ISO & QS certified manufacturing
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Melling – Stock Replacement Oil Pump Drive Gear (Part No.DG-62C)

Stock Replacement Oil Pump Drive Gear

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$42.49
Melling offers a replacement oil pump drive gear for several Jeep and GM applications. This gear should be replaced should the original gear show ware or be damaged or lost during the rebuilding process.

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
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Felpro – Engine Oil Pump Shaft Retainer (Part No.72665)

Engine Oil Pump Shaft Retainer

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$2.29
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
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Edelbrock – E-Street Big-Block ChevyHead Cylinder Head Oval COMPLETE Single (Part No.50459)

E-Street Big-Block ChevyHead Cylinder Head Oval COMPLETE Single

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$1279.99
The Edelbrock #50459 E-Street cylinder 290 Oval Port head is designed for Big-Block applications. The Edelbrock E-Street cylinder head offers American made quality and affordable performance. E-Street cylinder head features as-cast ports and are designed

Product Features:
  • Oval Port Complete Single For Hydraulic Flat Tappet
  • 110cc Combustion Chamber Volume
  • 220cc Intake/110cc Exhaust Runner Volume
  • 2.19 in. Intake/1.88 in. Exhaust Valve Diameter
  • 0.562 in. Deck Thickness
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Cloyes Performance – Engine Camshaft Bushing (Part No.P9005)

Engine Camshaft Bushing

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$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.
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Spectre – Valve Cover (Part No.5321)

Valve Cover

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$8.99
Spectre’s Valve Cover Spreader Bar Kits are designed to improve the seal between your valve cover and cylinder head. Constructed from high quality heavy gauge steel, the spreader bars help to evenly distribute clamping pressure, preventing leaks. Featuring a triple chrome-plated finish, this kit is designed to fit Chevrolet 265-400 Small Block engines.

Product Features:
  • Designed for Chevrolet 265-400 Small Block engines
  • Features a triple chrome-plated finish
  • Constructed from heavy gauge steel
  • Engineered to improve valve cover seal
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Dorman – Help – Oil Pump Bushing (Part No.90460)

Oil Pump Bushing

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$4.99
This engine oil pump bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine oil pump bushing matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Mr. Gasket – Timing Tab (Part No.4592)

Timing Tab

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$6.99
These chromed timing tab finish your engine’s a completely customized look.

Product Features:
  • Timing tabs
  • Chrome plated; skin packaged
  • Balancer
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Dorman – Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each) (Part No.635-002)

Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each)

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$1.29
This engine connecting rod nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine connecting rod nut matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Edelbrock – Accu-Drive Gear Drive Big-Block Chevy (Part No.7891)

Accu-Drive Gear Drive Big-Block Chevy

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$309.99


Product Features:
  • Precision Gear Drive System
  • Accurate Timing Control
  • No Chain To Stretch
  • Smooth Cam Rotation For Precise Valve Timing
  • Accurate and Multiple Cam Timing Settings
  • Compatible With All Standard Camshafts
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Anchor – Engine Mount: Front Left, Front Right, 1 Piece (Part No.2282)

Engine Mount: Front Left, Front Right, 1 Piece

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$10.79
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to CHEV 63-74; GMC 64-74;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 1963-1974
  • Weight approx: 2 Lbs
  • PART GROUP: 2282, 2282
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Cloyes Performance – High Performance Timing Chain (Part No.9-131Z)

High Performance Timing Chain

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$133.99
Premium High Performance 3/8″ Pitch Double Roller Replacement TRUE Roller “Z” Chain. 0.250″ Roller Diameter. Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. Featuring a Press Fit Center Link design that Increases Load Distribution. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends 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
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
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Sealed Power – Engine Valve Lifter (Part No.HT-817R)

Engine Valve Lifter

from

$8.49
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:
  • Retro-fit performance
  • High-strength steel retainer (precisely limits plunger travel to perform at high rpm)
  • Eliminates frequent lash adjustments
  • Significant friction reduction substantially increases horsepower and fuel economy
  • Delivers quieter engine operation
  • Application-specific design for perfect fit and correct operation
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Dorman – Rubber Expansion Plug 2 In. – Size Range 2 In. – 2-1/8 In. (sold by each) (Part No.570-014)

Rubber Expansion Plug 2 In. - Size Range 2 In. - 2-1/8 In. (sold by each)

from

$5.49
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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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.
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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.8651 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$52.99
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 imperfections
  • SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
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Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S289)

Engine Timing Crankshaft Sprocket

from

$11.99
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
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Dorman – Help – Motor Mount Bolt Kit – Grade 8 (Part No.81101)

Motor Mount Bolt Kit - Grade 8

from

$5.49
This engine mount bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine mount bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Mr. Gasket – Oil Pan Gasket (Part No.196)

Oil Pan Gasket

from

$25.99
Manufactured from high-density cork and rubber blend gasket material. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For OE replacement and high performance street.

Product Features:
  • One-piece design
  • Eliminates potential leaks
  • Prevents over tightening
  • Prevents torque loss
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Dorman – Rubber Expansion Plug 1-3/4 In. – Size Range 1-3/4 In. – 1-7/8 In. (Part No.02605)

Rubber Expansion Plug 1-3/4 In. - Size Range 1-3/4 In. - 1-7/8 In.

from

$8.29
Our Engine Oil Galley Plugs are available in multiple styles, including Cup Type, Pilot Seal, Reverse Taper, Concave, Quick-Seal® Rubber and Quick-Seal ® Copper.

Product Features:
  • Many sizes available
  • Conveniently available in packs of different quantities
  • Constructed from high quality steel, copper, brass, or rubber
  • Dorman’s Engine Oil Galley Plugs are constructed to strict engineering quality standards
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Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7802)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$37.99


Product Features:
  • Solid Bushing Chain Resists Stretching
  • For Use with Stock or Edelbrock Camshafts
  • Stressproof Steel Crank Gears
  • 3 Keyway Setting Points To Ensure Accurate Timing
  • True Bearing Surface Rolls with the Sprockets
  • 50 State Street Legal
  • Not for OEM Hydraulic Roller-Lifter Camshaft Eng.
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Mr. Gasket – Valve Cover (Part No.9802)

Valve Cover

from

$67.99
Chrome plated steel valve covers have a flat smooth top. Available for numerous applications.

Product Features:
  • Flat/smooth top
  • Designed to hold valve cover gasket in position
  • Made from grade 5 steel
  • Long lasting durability
  • Cadmium plated to resist corrosion
  • Easy installation
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Victor Reinz – Fuel Pump Mounting Gasket (Part No.71-13599-00)

Fuel Pump Mounting Gasket

from

$2.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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Sealed Power – Engine Camshaft (Part No.CS-274)

Engine Camshaft

from

$44.99
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:
  • Meets or exceeds OEM specs
  • Original equipment performance
  • Idle: Stock
  • Latest high quality materials
  • Precision machining
  • Made in USA
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Sealed Power – Engine Piston Ring Set (Part No.E-233X 40)

Engine Piston Ring Set

from

$53.99
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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ARP Auto Racing – For Use With Chevy Small Block, Hex Head, Black Oxide, Chrome Moly (Part No.230-7001)

For Use With Chevy Small Block, Hex Head, Black Oxide, Chrome Moly

from

$6.99
you have probably heard many a horror story about someone losing an engine when the oil pump fell off into the pan because of a broken bolt. Well, you can put your mind at ease when using ARP premium grade oil pump bolt and stud kits. You have a choice of black oxide finished 8740 chrome moly steel or low maintenance stainless steel. Both are nominally rated at 170,000 PSI tensile strength to provide you with plenty of clamping force. Moreover, take your pick between conventional hex style or 12 point designs. This is insurance that no conscientious engine builder should be without The studs come with flat washers and nuts, while the Ford bolt kit has flat washers only. These inexpensive fasteners can literally save your engine.

Product Features:
  • Nominally Rated At 170,000 Psi Tensile Strength To Provide You With Plenty Of Clamping Force
  • Premium Grade Oil Pump Stud
  • The Studs Come With Flat Washers And Nuts
  • Black Oxide Finished 8740
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Popular 1977 GMC G25 Engine Parts Categories

1977 GMC G25 Engine Parts

You count on your 1977 GMC G25 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 407 Engine Parts ranging in price from $0.43 to $5,984.99, you’re sure to find everything you need for your 1977 GMC G25.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 23 different brands like Sealed Power, Felpro, and Melling. 1977 GMC G25 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 4,452 extensive product reviews on 1977 GMC G25 Engine Parts. Some of the top-rated Engine Parts products we carry are Engine Valve Cover Gasket Set with 4.8 stars and Oil Pan Gasket Set: PermaDryPlus Rigid Carrier Includes Bolts & Snap-Ups®, 41 Piece 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 1977 GMC G25 below to get started!

Top-Rated Engine Parts Brands For Your 1977 GMC G25

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 1977 GMC G25 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 1977 GMC G25 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 1977 GMC G25 Engine Parts

What are the most purchased Engine Parts for the 1977 GMC G25?

Out of 407 Engine Parts for the 1977 GMC G25, 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
Engine Cylinder Head Bolt Set
from $31.99
(38)
Engine Cylinder Head Bolt Set
Cylinder Head Bolt Sets

What are the top-rated 1977 GMC G25 Engine Parts?

Top-rated Engine Parts for your 1977 GMC G25 based on customer reviews/ratings are:
Engine Valve Cover Gasket Set
from $25.99
(45)
Engine Valve Cover Gasket Set
“Satisfied”
Oil Pan Gasket Set: PermaDryPlus Rigid Carrier Includes Bolts & Snap-Ups®, 41 Piece
from $41.99
(38)
Oil Pan Gasket Set: PermaDryPlus Rigid Carrier Includes Bolts & Snap-Ups®, 41 Piece
“So easy to install and re-useable. Worth the little extra over the 4-piece gasket set.”
TIMING COVER GASKET SET
from $19.99
(24)
TIMING COVER GASKET SET
“Perfect match”