1966 GMC L3500 Engine Parts

Essential 1966 GMC L3500 Engine Parts

National – Multi Purpose Seal (Part No.470059)

Multi Purpose Seal

from

$9.49
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
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Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-115)

Engine Valve Spring Retainer Keeper

from

$0.43
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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Dorman – Steel Cup Expansion Plug 13.70mm, Height 0.180 (sold by each) (Part No.555-007)

Steel Cup Expansion Plug 13.70mm, Height 0.180 (sold by each)

from

$1.29
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
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Dorman – Rubber Expansion Plug 7/8 In. – Size Range 7/8 In. – 1 In. (sold by each) (Part No.570-004)

Rubber Expansion Plug 7/8 In. - Size Range 7/8 In. - 1 In. (sold by each)

from

$3.99
This engine intake manifold 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 intake manifold 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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Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 5112)

Engine Valve Stem Oil Seal Set

from

$15.49
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:
  • RIGHT TYPE — Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
  • QUALITY MATERIALS — Each valve stem seal features materials based on the specific application for your vehicle repair
  • ENGINEERING EXPERTISE — Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
  • INSTALLATION AID — Installation tool included to protect inner lip of seal from damage during seal installation
  • COVERAGE — Available for domestic and foreign nameplate vehicles
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Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-70E)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$14.49
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.

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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Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-70)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$12.49
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 and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.

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
  • Standard OE Replacement oil pump drive shaft
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 12932 C)

Engine Valve Cover Gasket Set

from

$15.29
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:
  • 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
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Felpro – Cylinder Head Gasket Set (Part No.HS 7961 SB-1)

Cylinder Head Gasket Set

from

$107.99
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:
  • Premium quality parts you can trust
  • Contains all the parts needed to complete the repair unless otherwise noted
  • Contains all the parts needed to complete the repair unless otherwise noted
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MAHLE Original – Fuel Pump Gasket (Part No.D27094)

Fuel Pump Gasket

from

$1.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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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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Imperial – Engine Oil Cooler (Part No.241040)

Engine Oil Cooler

from

$216.99
Product Features:
  • Imperial Swirl-Cool« engine oil cooler kit
  • Size: 1-1/2″ x 6-1/2″ x 18″
  • Heavy-duty applications
  • All except Chevrolet V8 applications
  • Universal Cooler, NOT a direct OE replacement. User to determine fitment prior to installation
  • Heavy duty applications
  • All except Chevrolet V8 applications
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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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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
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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
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Melling – Stock Replacement OE Type Oil Pump (Part No.M-70)

Stock Replacement OE Type Oil Pump

from

$159.99
Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor

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
  • Melling oil pumps are tested for pressure and flow under operating conditions to ensure quality
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Melling – Stock Replacement OE Type Oil Pump (Part No.M-70C)

Stock Replacement OE Type Oil Pump

from

$155.99
Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor

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
  • Melling oil pumps are tested for pressure and flow under operating conditions to ensure quality
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1966 GMC L3500 Engine Parts

You count on your 1966 GMC L3500 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 14 Engine Parts ranging in price from $0.43 to $259.99, you’re sure to find everything you need for your 1966 GMC L3500.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 8 different brands like Felpro, Sealed Power, and National. 1966 GMC L3500 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 17 extensive product reviews on 1966 GMC L3500 Engine Parts.

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 1966 GMC L3500 below to get started!

Top-Rated Engine Parts Brands For Your 1966 GMC L3500

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 1966 GMC L3500 running right for years to come. In our inventory you’ll find brands like Felpro, Sealed Power, National, and even more.

Popular National Engine Parts

You’ll find popular National brand products across Engine Gaskets and Seals. All are waiting to get your 1966 GMC L3500 back on the road. Some of the top-rated National products in these categories are:
Multi Purpose Seal
from $9.49
(1)
Multi Purpose Seal
Accessory Drive Seal

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 1966 GMC L3500, and some of our most reviewed Felpro parts include:
Engine Valve Stem Oil Seal Set
from $15.49
(1)
Engine Valve Stem Oil Seal Set
Engine Valve Stem Seals
Cylinder Head Gasket Set
from $107.99
(1)
Cylinder Head Gasket Set
Cylinder Head Gasket Sets

FAQs for 1966 GMC L3500 Engine Parts

What are the most purchased Engine Parts for the 1966 GMC L3500?

Out of 14 Engine Parts for the 1966 GMC L3500, the most popular in our inventory are:
Engine Valve Spring Retainer Keeper
from $0.43
(2)
Engine Valve Spring Retainer Keeper
Engine Valve Locks
Rubber Expansion Plug 7/8 In. - Size Range 7/8 In. - 1 In. (sold by each)
from $3.99
This product is not rated
Rubber Expansion Plug 7/8 In. – Size Range 7/8 In. – 1 In. (sold by each)
Expansion Plugs
Steel Cup Expansion Plug 13.70mm, Height 0.180 (sold by each)
from $1.29
This product is not rated
Steel Cup Expansion Plug 13.70mm, Height 0.180 (sold by each)
Expansion Plugs