1978 Pontiac Bonneville Engine Parts

Essential 1978 Pontiac Bonneville Engine Parts

Felpro – Engine Conversion Gasket Set (Part No.CS 26150-3)

Engine Conversion Gasket Set

from

$155.99
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:
  • Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul work
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
See More

Melling Select Performnce – High Performance Standard Pressure Cast Iron Oil Pump (Part No.10540)

High Performance Standard Pressure Cast Iron Oil Pump

from

$190.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. Stock pressure performance upgrade for the M-54D-S. The housing is CNC machined and phosphate coated. Built with billet st

Product Features:
  • Standard pressure high performance upgrade of the M-54D-S
  • CNC machined phosphate coated cast iron housing and cover
  • Standard billet steel spur gears
  • Includes 3/4 inch diameter press fit screen and installation gasket
See More

Dorman – Steel Cup Expansion Plug 1-61/64 In., Height 0.510 (sold by each) (Part No.555-041)

Steel Cup Expansion Plug 1-61/64 In., Height 0.510 (sold by each)

from

$2.29
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
See More

Mr. Gasket – Valve Cover (Part No.9805)

Valve Cover

from

$91.99
Chrome plated stamped steel valve covers have a flat smooth top, with internal baffles. Tall-style cover provides extra valve train clearance. Sold as a pair.

Product Features:
  • Tall-style covers provide extra clearance
  • Fits Pontiac 301-455 engines
  • Sold as a pair
  • Chrome plated steel construction
  • Cadmium Plated To Resist Corrosion
  • Easy Installation
See More

Edelbrock – Rollin’ Thunder Camshaft Kit for 1957-86 Small-Block Chevy V8 (Part No.22015)

Rollin' Thunder Camshaft Kit for 1957-86 Small-Block Chevy V8

from

$1566.99
Edelbrock part #22015 Rollin’ Thunder camshaft kit is designed for 1957-86 small-block Chevy V-8 applications. This complete cam kits include an Edelbrock Rollin’ Thunder hydraulic roller camshaft, hydraulic roller lifters and pushrods. The Rollin’ Thunde

Product Features:
  • Iron Camshaft Material
  • 0.539 in. Intake Valve Lift with Factory Rocker Arm Ratio
  • Roller Lifter Type
  • Valve Springs Required
  • Assembly Lubricant Included
See More

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)

from

$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
See More

Mr. Gasket – Ultra Seal: Sure-Lock Rocker Arm Nuts (Part No.920G)

Ultra Seal: Sure-Lock Rocker Arm Nuts

from

$64.19
These are high quality nuts with allen set screws to provide you with that positive lock needed for Race or original equipment Rocker Arms.

Product Features:
  • They Are Zinc Dichromate Plated Steel
  • They Have Black Oxide Coated Set Screws
  • Keeps Rocker Arms Positively Locked
  • (16) Rocker Arm Nuts w/ Locks 3/8″-24 Threads
  • Includes Locks and Hex Wrench
  • Shank O.D. .603″
See More

Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (Part No.362650.1)

Steel Cup Expansion Plug 1-1/2 In., Height 0.480

from

$3.29
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
See More

Imperial – Econo-Kool® Engine Oil Cooler (Part No.240459)

Econo-Kool® Engine Oil Cooler

from

$141.99
Product Features:
  • Imperial Econo-Kool« engine oil cooler kit
  • Size: 3/4″ x 7-1/2″ x 12-1/2″
  • Light-duty applications
  • All except Chevrolet V8 applications
  • Size: 3/4 in. x 7-1/2 in. x 12-1/2 in.
  • Light duty applications
  • All except Chevrolet V8 applications
  • Lightweight construction with high-efficiency turbulators
See More

Felpro – Engine Push Rod Gasket Set (Part No.PS 50045 C)

Engine Push Rod Gasket Set

from

$17.29
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

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

Sealed Power – Engine Camshaft Bearing Set (Part No.1466M)

Engine Camshaft Bearing Set

from

$41.99
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

Melling – Stock Replacement Oil Pump Screen (Part No.54-DS)

Stock Replacement Oil Pump Screen

from

$24.99
A new Melling pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine ware, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation. Several Melling oil pump applications are offered with an oil screen included.

Product Features:
  • Manufactured from high quality durable materials for long wear
  • Precision engineering protects the engine from dirt and contaminants
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 12173)

Engine Crankshaft Seal Kit

from

$7.49
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

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
See More

Dorman – Rubber Expansion Plug 1-1/2 In. – Size Range 1-1/2 In. – 1-5/8 In. (sold by each) (Part No.570-009)

Rubber Expansion Plug 1-1/2 In. - Size Range 1-1/2 In. - 1-5/8 In. (sold by each)

from

$8.49
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
See More

Dorman – Help – Rubber Expansion Plug 1 In. – Size Range 1 In. – 1-1/8 In. (Part No.02600)

Rubber Expansion Plug 1 In. - Size Range 1 In. - 1-1/8 In.

from

$5.99
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
See More

Felpro – Engine Valve Cover Gasket Set (Part No.VS 13403 C)

Engine Valve Cover Gasket Set

from

$21.49
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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM — Proprietary cork-rubber formulation
  • SUPERIOR SEAL — Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
See More

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9736)

Performer Series Retainer (Qty 16)

from

$89.99
Product Features:
  • Use W/ Valve Springs Part #5797, 5845, 5712
  • Use W/ Locks Part #9611
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
See More

Sealed Power – Engine Rocker Arm Bridge (Part No.MR-1840)

Engine Rocker Arm Bridge

from

$2.49
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.
See More

Cloyes Gear – Engine Timing Set (Part No.C-3007K)

Engine Timing Set

from

$31.99
Timing Set includes all components for a quick and efficient replacement

Product Features:
  • Utilizes the latest in design and technology to offer complete chain sets
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Utilizes the latest in design and technology to offer complete chain sets
  • Refer to our online catalog for detailed application-specific information
  • Set Includes: Cam Sprocket, Crankshaft Sprocket, Timing Chain
See More

Felpro – Fuel Pump Mounting Gasket (Part No.13415)

Fuel Pump Mounting Gasket

from

$1.99
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:
  • 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
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40190)

Engine Crankshaft Seal Kit

from

$26.49
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Dorman – Harmonic Balancer Assembly (Part No.594-161)

Harmonic Balancer Assembly

from

$144.99
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.

Product Features:
  • Ideal replacement – this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
  • Durable construction – stringent specifications and careful construction help ensure longevity
  • Thoroughly tested – this harmonic balancer has undergone dimensional verification, material validation and functional testing
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Felpro – Engine Gasket Set (Part No.FS 8518 PT-3)

Engine Gasket Set

from

$112.99
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:
  • Full Sets contain all the gaskets and seals necessary for a complete engine overhaul
  • 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
  • Validated for fit, form, and function
See More

Melling – Stock Replacement Type Oil Pump Repair Kit (Part No.K-22F)

Stock Replacement Type Oil Pump Repair Kit

from

$51.99
Melling oil pump repair kits are provided to supply the parts needed to rebuild a specific individual oil pump. Melling kits include all the required parts needed for a quality oil pump rebuild. Although Melling recommends the installation of a new oil pump, Melling oil pump repair kits are the preferred choice when a rebuilder has the desire to reuse the original oil pump casting or front timing cover.

Product Features:
  • Includes components needed to rebuild a worn oil pump providing an alternative to purchasing a new oil pump
  • Components are manufactured from high quality materials for durable wear
  • Components are precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
See More

Sealed Power – Engine Rocker Arm (Part No.R-856A)

Engine Rocker Arm

from

$2.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
See More

Mr. Gasket – Oil Dipstick And Tube (Part No.9898)

Oil Dipstick And Tube

from

$20.59
Mr. Gasket Oil Dipstick is similar in design to original equipment, it can be installed with simple hand tools.

Product Features:
  • Chrome plated steel
  • Similar in design to OEM
  • Simple hand tools required for installation
See More

1978 Pontiac Bonneville Engine Parts

You count on your 1978 Pontiac Bonneville 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 229 Engine Parts ranging in price from $0.43 to $1,338.99, you’re sure to find everything you need for your 1978 Pontiac Bonneville.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 17 different brands like Dorman, Sealed Power, and Felpro. 1978 Pontiac Bonneville 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 486 extensive product reviews on 1978 Pontiac Bonneville Engine Parts. Some of the top-rated Engine Parts products we carry are Econo-Kool® Engine Oil Cooler with 4.7 stars and Engine Valve Cover Gasket Set with 4.7 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 Pontiac Bonneville below to get started!

Top-Rated Engine Parts Brands For Your 1978 Pontiac Bonneville

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 Pontiac Bonneville running right for years to come. In our inventory you’ll find brands like Dorman, Sealed Power, Felpro, and even more.

Popular Carquest Premium Engine Parts

You’ll find popular Carquest Premium brand products across Engine Blocks. All are waiting to get your 1978 Pontiac Bonneville back on the road. Some of the top-rated Carquest Premium products in these categories are:

Top-Rated Felpro Engine Parts


If Felpro are what you’re looking for, our inventory holds plenty. We stock Felpro brand Engine Parts for your 1978 Pontiac Bonneville, and some of our most reviewed Felpro parts include:
Engine Valve Cover Gasket Set
from $21.99
(5)
Engine Valve Cover Gasket Set
Valve Cover Gaskets
Engine Timing Cover Gasket Set
from $21.49
(3)
Engine Timing Cover Gasket Set
Timing Cover Gasket Sets
Rear Main Seal Set
from $9.49
(3)
Rear Main Seal Set
Rear Main Seal Sets

FAQs for 1978 Pontiac Bonneville Engine Parts

What are the most purchased Engine Parts for the 1978 Pontiac Bonneville?

Out of 229 Engine Parts for the 1978 Pontiac Bonneville, the most popular in our inventory are:
Engine Valve Lifter
from $8.49
This product is not rated
Engine Valve Lifter
Engine Valve Lifters
Steel Cup Expansion Plug 1-1/2 In., Height 0.220
from $0.99
(3)
Steel Cup Expansion Plug 1-1/2 In., Height 0.220
Expansion Plugs

What are the top-rated 1978 Pontiac Bonneville Engine Parts?

Top-rated Engine Parts for your 1978 Pontiac Bonneville based on customer reviews/ratings are:
Econo-Kool® Engine Oil Cooler
from $141.99
(3)
Econo-Kool® Engine Oil Cooler
“Good price perfect fit had all the parts I needed good quality”
Engine Valve Cover Gasket Set
from $21.49
(3)
Engine Valve Cover Gasket Set
“Thanks works. Great”
Brass Pipe Plug - Square Head - 3/8 In. MNPT
from $5.49
(2)
Brass Pipe Plug – Square Head – 3/8 In. MNPT
“It was a plug for a radiator”