1985 Jeep J20 Engine Blocks
Keep Your 1985 Jeep J20 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 Jeep J20 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Engine Assembly Lube and Oil Caps. 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 Jeep J20 Engine Block at Advance Auto Parts is around $12.59, with a range that starts at $4.99 and goes up to $22.29. With 3 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Oil Cap AMC V8; 72-91 Jeep CJ/SJ Models, OE Replacement, Round, Plastic, and Engine Assembly Lubricant start at just $4.99 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 Jeep J20 in peak condition, inside and out.
Find Your Specific 1985 Jeep J20 Engine Blocks
Looking for the perfect Engine Block for your 1985 Jeep J20? You’re in the right place. Below, you’ll find links to various types of Engine Blocks that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Blocks, ensuring durability and a precise fit for your Jeep J20. Whether you’re driving a 1985 model or another popular model year like
1974,
1975,
1976,
1980,
1981,
1982,
1986,
1987, and
1988, we’ve got you covered. Purchasing Engine Blocks from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Blocks that fit your vehicle.
Essential 1985 Jeep J20 Engine Blocks
Sealed Power – Engine Assembly Lubricant (Part No.55-400)
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:
See More
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
Omix – Oil Cap AMC V8; 72-91 Jeep CJ/SJ Models (Part No.17402.04)
from
$22.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
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Product Features:
- Metal
- With Breather
- Direct Fit
Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10066)
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:
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Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
Omix – Oil Fill Plug (Part No.17402.09)
from
$8.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA. Limited five year Manufacturer’s warranty.
Product Features:
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Product Features:
- Rubber
- OE Style
- Direct Fit
- Limited 5 Year Warranty
Crown Auto Jeep Replacmnt – OE Replacement, Round, Plastic (Part No.33001016)
from
$4.99
Crown Automotive offers the largest line of replacement parts for Jeep (R), as well as a growing line of parts for Chrysler and Dodge vehicles. Our applications features Axle, Body, Brake, Clutch, Cooling, Electrical, Engine, Fuel, Lamps, Mirrors, Steering, Suspension, Transmission and Wiper.
Product Features:
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Product Features:
- Constructed From Rubber
- Oil Filler Caps Are OE-Style Replacement Parts For Your Jeep
- Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
- Easy To Install
Popular 1985 Jeep J20 Engine Blocks Categories
Most Popular Engine Assembly Lube for 1985 Jeep J20s
Enhance your 1985 Jeep J20 with this popular Engine Assembly Lube we have in stock, for $10.49.
Sealed Power – Engine Assembly Lubricant (Part No.55-400)
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:
See More
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
Best-Selling 1985 Jeep J20 Oil Caps
Upgrade your J20 with one of our 2 best-selling Oil Caps.
Omix – Oil Cap AMC V8; 72-91 Jeep CJ/SJ Models (Part No.17402.04)
from
$22.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.
Product Features:
See More
Product Features:
- Metal
- With Breather
- Direct Fit
Crown Auto Jeep Replacmnt – OE Replacement, Round, Plastic (Part No.33001016)
from
$4.99
Crown Automotive offers the largest line of replacement parts for Jeep (R), as well as a growing line of parts for Chrysler and Dodge vehicles. Our applications features Axle, Body, Brake, Clutch, Cooling, Electrical, Engine, Fuel, Lamps, Mirrors, Steering, Suspension, Transmission and Wiper.
Product Features:
See More
Product Features:
- Constructed From Rubber
- Oil Filler Caps Are OE-Style Replacement Parts For Your Jeep
- Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
- Easy To Install
FAQs for 1985 Jeep J20 Engine Blocks
What are the best-selling Engine Blocks for 1985 Jeep J20s?
Out of 3 Engine Blocks that fit 1985 Jeep J20s, the following parts are the top sellers:
- Oil Cap AMC V8; 72-91 Jeep CJ/SJ Models (10946472) – $22.29
- OE Replacement, Round, Plastic (50074216) – $4.99
- Engine Assembly Lubricant (20686470) – $10.49
What’s the price range for 1985 Jeep J20 Engine Blocks?
The prices of Engine Blocks for the 1985 Jeep J20 range from $4.99 up to $22.29 for the most premium parts.
What is the average price of an Engine Block for a 1985 Jeep J20?
The average price for Engine Blocks for the 1985 Jeep J20 is $12.59. 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 Jeep J20 model years?
What are the cheapest Engine Blocks for my 1985 Jeep J20?
The cheapest 1985 Jeep J20 Engine Blocks we carry are:
- OE Replacement, Round, Plastic (50074216) – $4.99
- Engine Assembly Lubricant (20686470) – $10.49
- Oil Cap AMC V8; 72-91 Jeep CJ/SJ Models (10946472) – $22.29
Does Advance Auto Parts sell Engine Blocks for any other 1985 Jeep models?
Yes. We stock Engine Blocks for 4 other popular 1985 Jeep models. Some of the most popular are 1985 Cherokee Engine Blocks, 1985 Grand Wagoneer Engine Blocks, 1985 Wagoneer Engine Blocks, 1985 J10 Engine Blocks, and 1985 CJ7 Engine Blocks.
What types of Engine Blocks do you sell for my 1985 Jeep J20?
As of 11/2/25, these are some of the most in-demand types of Engine Blocks for a 1985 Jeep J20:
Can I get help with 1985 Jeep J20 Engine Block orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Jeep Engine Blocks and more.
What is your return policy for Jeep J20 Engine Blocks?
Advance Auto Parts keeps returns simple. For new Jeep J20 Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.