1978 Chevrolet G20 Engine Parts

Essential 1978 Chevrolet G20 Engine Parts

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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Mr. Gasket – Woodruff Key (Part No.984G)

Woodruff Key

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$25.99
The offset cam and crankshaft key helps increase torque and horsepower.

Product Features:
  • Increases low-end torque
  • Increases mid-range horsepower
  • Reduces low-end torque
  • Increases top-end horsepower
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Dorman – Rocker Arm Stud, Type 3, 3/8-24 x 2-1/2 In. (.003 In. Oversize), Gm (sold by each) (Part No.693-005)

Rocker Arm Stud, Type 3, 3/8-24 x 2-1/2 In. (.003 In. Oversize), Gm (sold by each)

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$2.99
Our Engine Rocker Arm Bolts are manufactured with a high corrosion resistance for an extended service life. Long-lasting durability is ensured.

Product Features:
  • Rocker Arm Stud, Type 3, 3/8-24 x 2-1/2 In. (.003 In. Oversize), Gm
  • Rocker Arm Stud, Type 3, 3/8-24 x 2-1/2 In. (.003 In. Oversize), Gm (sold by each)
  • Our Engine Rocker Arm Bolts are manufactured with a high corrosion resistance for an extended service life. Long-lasting durability is ensured.
  • High-quality steel construction
  • Resistant to rust
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Dorman – Pipe Plug C.S. Square 1/4-18 Npt, Head Size 1/4 In. (sold by each) (Part No.090-067)

Pipe Plug C.S. Square 1/4-18 Npt, Head Size 1/4 In. (sold by each)

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$4.99
This engine cylinder head 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 cylinder head 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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Felpro – Engine Gasket Set (Part No.FS 8006 PT-4)

Engine Gasket Set

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$96.99
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
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Felpro – Engine Push Rod Gasket Set (Part No.PS 13228)

Engine Push Rod Gasket Set

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$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
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Spartan – Engine Cylinder Head; Chev 350 68-85 Cyl Head (Part No.2C19)

Engine Cylinder Head; Chev 350 68-85 Cyl Head

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$349.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:
  • All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
  • All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • All threads and machined surfaces are and repaired with technology that exceeds the original metal
  • Non-sealing iron surfaces painted to prevent oxidization
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Sealed Power – Engine Piston (Part No.WH640DCP)

Engine Piston

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$18.49
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:
  • 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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ARP Auto Racing – ARP Cylinder Head Bolt Kit (Part No.135-3703)

ARP Cylinder Head Bolt Kit

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$149.99
High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Product Features:
  • 1/2″ 12-Point Socket Size(s)
  • 8740 Chromoly
  • Black Oxide
  • Big Block Chevy Late Bowtie Aluminum, World Prod. Merlin, Iron Dart, Pro-1 and Pro Top Line Heads
  • Sold As A Kit
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Mr. Gasket – Cylinder Head Dowel Pins (Part No.4375)

Cylinder Head Dowel Pins

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$16.99
These hard to find dowel pins are precision machined then case hardened for accurate alignment in engine assembly. 2 per set.

Product Features:
  • Precision machined
  • Case hardened
  • Give accurate alignment
  • 2 per set
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Dorman – Lock Nut, Type 8, 7/16-20 In., GM (sold by each) (Part No.693-022)

Lock Nut, Type 8, 7/16-20 In., GM (sold by each)

from

$3.49
This engine rocker arm 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 rocker arm 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 – Sure Seat Valve Springs for S/B Chevy O.E Cast iron Cylinder Heads (Part No.5703)

Sure Seat Valve Springs for S/B Chevy O.E Cast iron Cylinder Heads

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$65.99
Springs made of highest quality spring wire. Springs precision wound to close tolerances. Non-Rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:
  • For Use With Cast Iron Heads
  • Springs Made of Highest Quality Spring Wire
  • Springs Precision Wound To Close Tolerances
  • Use with Original Equipment Heads Only
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Dorman – Gm Brass Expansion Plug Kit, 15 Expansion Plugs, 5 Pipe Plugs (Part No.567-001)

Gm Brass Expansion Plug Kit, 15 Expansion Plugs, 5 Pipe Plugs

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$20.29
The plugs in this engine expansion plug kit are designed to match the original parts on specified vehicles. Made of quality materials, this kit components are engineered for reliable performance and durability.

Product Features:
  • Direct replacement – the components in this engine expansion plug kit are designed to match the original plugs on specified years, makes and models
  • Ideal solution – this kit is a reliable replacement for original plugs that have failed due to wear
  • Durable construction – this kit is made from quality components to ensure reliable performance and a 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 Connecting Rod Bearing (Part No.1020CP .50MM)

Engine Connecting Rod Bearing

from

$18.29
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 bronze alloy lining with overplate
  • Popular for fatigue resistance & strength
  • Provides conformability required for older apps
  • Our standard material is comparable to competitors performance bearing
  • Note – This material offers less resistance to wear & corrosion than other materials.
  • Utilizes ISO & QS certified manufacturing
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Felpro – Fuel Pump Mounting Gasket (Part No.5182)

Fuel Pump Mounting Gasket

from

$1.49
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 for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Dorman – Timing Cover Timing Mark (Part No.635-550)

Timing Cover Timing Mark

from

$8.99
This engine timing tab is designed to match the fit and function of the original tab on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine timing tab is designed to match the fit and function of the original tab on specified vehicles
  • Restores functionality – reliable replacement for an original part that has failed due to corrosion or a broken weld
  • 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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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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Cloyes Gear – Engine Timing Chain (Part No.9-4149)

Engine Timing Chain

from

$21.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment

Product Features:
  • 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
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • CAD designed and manufactured using premium materials
  • Refer to our online catalog for detailed application-specific information
  • Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
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Mr. Gasket – Oil Pan (Part No.5415)

Oil Pan

from

$307.99
The fully polished, finned aluminum oil pan is die cast for a perfect fit. 5 quart drain plug and bolts included.

Product Features:
  • Precision die cast
  • Includes drain plug and bolts
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Mr. Gasket – Chrome Dress-Up Kit (Part No.9834)

Chrome Dress-Up Kit

from

$109.99
Kits include most popular chrome dress-up components, including short, OEM height valve covers with integral oil baffles.

Product Features:
  • Chrome plated steel
  • Comes w/valve cover gaskets
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Felpro – Engine Oil Pump Shaft Retainer (Part No.72665)

Engine Oil Pump Shaft Retainer

from

$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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Sealed Power – Engine Rocker Arm Kit (Part No.R-832)

Engine Rocker Arm Kit

from

$4.29
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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Imperial – Ultra-Cool Engine Oil Cooler Kit (Part No.240457)

Ultra-Cool Engine Oil Cooler Kit

from

$167.99
Product Features:
  • Size: 3/4 in. x 10 in. x 12-1/4 in.
  • Medium duty applications
  • All except Chevrolet V8 applications
  • Two-pass design for increased cooling
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Cloyes Performance – Engine Timing Cover (Part No.9-231)

Engine Timing Cover

from

$229.99
Quick Button Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding Quick Adjust). Includes Fully Rollerized Endplay Adjustable Cam Button. A Pefect Compliment to Your Hex-A-Just Timing Set for Easy Access Camshaft Timing Adjustments.

Product Features:
  • QUICK BUTTON Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding QUICK ADJUST)
  • Includes Fully Rollerized Endplay Adjustable Cam Button
  • A Perfect Complement to Your HEX-A-JUST Timing Set for Easy Access Camshaft Timing Adjustments.
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Victor Reinz – Engine Timing Cover Seal (Part No.19-10358-01)

Engine Timing Cover Seal

from

$29.49
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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Driveworks – Oil Seal (Part No.S-4333N)

Oil Seal

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$11.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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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

Popular 1978 Chevrolet G20 Engine Parts Categories

1978 Chevrolet G20 Engine Parts

You count on your 1978 Chevrolet G20 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 415 Engine Parts ranging in price from $0.43 to $5,984.99, you’re sure to find everything you need for your 1978 Chevrolet G20.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 23 different brands like Sealed Power, Felpro, and Melling. 1978 Chevrolet G20 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 6,651 extensive product reviews on 1978 Chevrolet G20 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 1978 Chevrolet G20 below to get started!

Top-Rated Engine Parts Brands For Your 1978 Chevrolet G20

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 1978 Chevrolet G20 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 1978 Chevrolet G20 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 1978 Chevrolet G20 Engine Parts

What are the most purchased Engine Parts for the 1978 Chevrolet G20?

Out of 415 Engine Parts for the 1978 Chevrolet G20, 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 1978 Chevrolet G20 Engine Parts?

Top-rated Engine Parts for your 1978 Chevrolet G20 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”