1985 Oldsmobile Custom Cruiser Engine Blocks

Keep Your 1985 Oldsmobile Custom Cruiser in Top Shape with Quality Engine Blocks

Whether you’re repairing or upgrading your Engine Block, using high-quality parts is key to keeping your 1985 Oldsmobile Custom Cruiser looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oil Caps, Oil Pump Shafts, and Engine Assembly Lube. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1985 Oldsmobile Custom Cruiser Engine Block at Advance Auto Parts is around $12.51, with a range that starts at $5.99 and goes up to $17.79. With 3 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Stock Replacement Type Oil Pump Intermediate Shaft, Oil Filler Cap, and Engine Assembly Lubricant start at just $5.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Block, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 1985 Oldsmobile Custom Cruiser in peak condition, inside and out.

Essential 1985 Oldsmobile Custom Cruiser Engine Blocks

Sealed Power – Engine Assembly Lubricant (Part No.55-400)

Engine Assembly Lubricant

from

$10.49
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:
  • Formulated for prelubrication cam lobes, lifters & engine bearings
  • Increases load carrying capacity
  • Holds fast to surfaces
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • 4.0 oz. Squeeze Container
See More

Carquest Premium – Oil Filler Cap (Part No.10077)

Oil Filler Cap

from

$5.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
See More

Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10066)

Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$6.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
See More

Carquest Premium – Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10105)

Engine Oil Filler Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack

from

$8.49
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
See More

ARP Auto Racing – For Use With All Chevy Small Blocks, 8740 Steel, 190000 Psi (Part No.134-7901)

For Use With All Chevy Small Blocks, 8740 Steel, 190000 Psi

from

$24.99
Many an engine has been destroyed as a result of oil pump driveshaft failure. To cure this all too common problem, ARP has designed an extra heavy duty shaft that will provide you with the necessary reliability. The shaft is made from heat treated, premium grade aerospace chrome moly steel. Moreover, the shaft diameter is a larger diameter than the OEM unit. These features combine to enable ARP shafts to handle the added torque requirements of increased capacity oil pumps or heavy viscosity lubricants.

Product Features:
  • Extra Heavy Duty Shaft That Will Provide The Necessary Reliability
  • Enable Shafts To Handle The Added Torque Requirements Of Increased Capacity Oil Pumps Or Heavy Viscosity Lubricants
  • Made From Premium Grade 8740 And Heat Treated To 190,000 Psi
  • Alignment Sleeve Is Roll Formed Onto The Shaft (Not Welded Or Pinned), Enabling The Sleeve To Float, Allowing For Slight Misalignment
  • Black Oxide
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Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-22F)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$17.79
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

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

Stock Replacement Type Oil Pump Intermediate Shaft

from

$21.99
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

Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-54A)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$14.29
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

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

Stock Replacement Type Oil Pump Intermediate Shaft

from

$17.79
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

Most Popular Oil Cap for 1985 Oldsmobile Custom Cruisers

Enhance your 1985 Oldsmobile Custom Cruiser with this popular Oil Cap we have in stock, for $5.99.

Carquest Premium – Oil Filler Cap (Part No.10077)

Oil Filler Cap

from

$5.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
See More

Best-Selling 1985 Oldsmobile Custom Cruiser Oil Pump Shaft

Upgrade your Custom Cruiser with our best-selling Oil Pump Shaft.

Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-22F)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$17.79
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

Top-Quality Engine Assembly Lube for 1985 Oldsmobile Custom Cruisers

Choose a high-quality OEM or aftermarket Engine Assembly Lube for Oldsmobile Custom Cruisers and enjoy top-notch performance from $10.49.

Sealed Power – Engine Assembly Lubricant (Part No.55-400)

Engine Assembly Lubricant

from

$10.49
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:
  • Formulated for prelubrication cam lobes, lifters & engine bearings
  • Increases load carrying capacity
  • Holds fast to surfaces
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • 4.0 oz. Squeeze Container
See More

FAQs for 1985 Oldsmobile Custom Cruiser Engine Blocks

What are the best-selling Engine Blocks for 1985 Oldsmobile Custom Cruisers?

Out of 3 Engine Blocks that fit 1985 Oldsmobile Custom Cruisers, the following parts are the top sellers:

What’s the price range for 1985 Oldsmobile Custom Cruiser Engine Blocks?

The prices of Engine Blocks for the 1985 Oldsmobile Custom Cruiser range from $5.99 up to $17.79 for the most premium parts.

What is the average price of an Engine Block for a 1985 Oldsmobile Custom Cruiser?

The average price for Engine Blocks for the 1985 Oldsmobile Custom Cruiser is $12.51. Keep in mind the variety of part types within our Engine Block category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Blocks for other Oldsmobile Custom Cruiser model years?

Yes, we carry Engine Blocks for 20 model years of Oldsmobile Custom Cruisers between 1971 and 1992. The following model years are the most popular for Engine Block purchases: 1992, 1991, 1990, 1989, 1988, 1987, 1986, 1984, and 1983.

What are the cheapest Engine Blocks for my 1985 Oldsmobile Custom Cruiser?

The cheapest 1985 Oldsmobile Custom Cruiser Engine Blocks we carry are:

Does Advance Auto Parts sell Engine Blocks for any other 1985 Oldsmobile models?

Yes. We stock Engine Blocks for 8 other popular 1985 Oldsmobile models. Some of the most popular are 1985 Cutlass Supreme Engine Blocks, 1985 98 Engine Blocks, 1985 Delta 88 Engine Blocks, 1985 Toronado Engine Blocks, and 1985 Cutlass Ciera Engine Blocks.

What types of Engine Blocks do you sell for my 1985 Oldsmobile Custom Cruiser?

As of 11/2/25, these are some of the most in-demand types of Engine Blocks for a 1985 Oldsmobile Custom Cruiser:

Can I get help with 1985 Oldsmobile Custom Cruiser Engine Block orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Oldsmobile Engine Blocks and more.

What is your return policy for Oldsmobile Custom Cruiser Engine Blocks?

Advance Auto Parts keeps returns simple. For new Oldsmobile Custom Cruiser Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.