1971 Jeep J-100 Engine Blocks
Keep Your 1971 Jeep J-100 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 1971 Jeep J-100 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.
Top-Rated Engine Blocks from Trusted Brands
Looking for a reliable Engine Block? We’ve got you covered with options from brands you know and trust like Carquest Premium and Omix. For example, Carquest Premium Engine Blocks start at just $6.99 with an average 4.4 star rating. Omix offer similar pricing and quality, backed by strong customer feedback. With over 33 reviews and a solid 5 star average, you can shop with confidence knowing other Jeep J-100 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1971 Jeep J-100 Engine Block at Advance Auto Parts is around $13.89, with a range that starts at $6.99 and goes up to $22.29. With 4 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Oil Fill Plug, Engine Assembly Lubricant, and Oil Cap AMC V8; 72-91 Jeep CJ/SJ Models start at just $8.49 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 1971 Jeep J-100 in peak condition, inside and out.
Find Your Specific 1971 Jeep J-100 Engine Blocks
Looking for the perfect Engine Block for your 1971 Jeep J-100? 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 J-100. Whether you’re driving a 1971 model or another popular model year like
1965,
1966,
1967,
1968,
1969,
1970,
1972, and
1973, 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 1971 Jeep J-100 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
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:
See More
Product Features:
- Provides proper seal to ensure leak prevention
- Stops engine blow by
- High quality construction
- Meets all OEM specifications
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
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:
See More
Product Features:
- Rubber
- OE Style
- Direct Fit
- Limited 5 Year Warranty
Popular 1971 Jeep J-100 Engine Blocks Categories
Most Popular Engine Assembly Lube for 1971 Jeep J-100s
Enhance your 1971 Jeep J-100 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 1971 Jeep J-100 Oil Caps
Upgrade your J-100 with one of our 3 best-selling Oil Caps, earning an average 5 stars rating across 16 reviews.
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:
See More
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:
See More
Product Features:
- Rubber
- OE Style
- Direct Fit
- Limited 5 Year Warranty
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
Top-Rated Engine Block Brands For Your 1971 Jeep J-100
When it comes to finding the perfect Engine Block for your 1971 Jeep J-100, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Engine Block brands including Carquest Premium and Omix, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $6.99. Purchasing a Engine Block from us here at Advance Auto Parts is a smart move for both you and your 1971 Jeep J-100, providing peace of mind with parts that meet or exceed OEM standards.
Popular Carquest Premium 1971 Jeep J-100 Engine Blocks
If you’re looking for a top-quality Engine Block for your 1971 Jeep J-100, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Engine Blocks. We have 1 Carquest Premium Engine Blocks in stock for this fitment, all known for their durability and precision fit. With prices starting at just $6.99, you’ll find the perfect Engine Block for your needs and budget. Carquest Premium Engine Blocks for the 1971 Jeep J-100 come highly rated, with over 15 customer reviews and an impressive average rating of 4.4 stars. Choosing a Carquest Premium Engine Block from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$6.99
(15)
Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack
“Direct fit for 194 gif 350”
Top-Quality Omix 1971 Jeep J-100 Engine Blocks
For those in search of a high-quality Engine Block for their 1971 Jeep J-100, Advance Auto Parts offers a great selection of Omix Engine Blocks. With 1 Omix Engine Blocks in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Blocks start at just $8.49, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.3 stars, Omix Engine Blocks provide both reliability and excellent performance. Choosing a Omix Engine Block from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$8.49
(1)
Oil Fill Plug
“Found this on Advance for a great price, quick shipping. Fits perfect and is just what i needed. Good quality name brand too-”
FAQs for 1971 Jeep J-100 Engine Blocks
What are the best-selling Engine Blocks for 1971 Jeep J-100s?
Out of 4 Engine Blocks that fit 1971 Jeep J-100s, the following parts are the top sellers:
- Oil Fill Plug (10946225) – $8.49
- Engine Assembly Lubricant (20686470) – $10.49
- Oil Cap AMC V8; 72-91 Jeep CJ/SJ Models (10946472) – $22.29
What’s the price range for 1971 Jeep J-100 Engine Blocks?
The prices of Engine Blocks for the 1971 Jeep J-100 range from $6.99 up to $22.29 for the most premium parts.
What is the average price of an Engine Block for a 1971 Jeep J-100?
The average price for Engine Blocks for the 1971 Jeep J-100 is $13.89. 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 J-100 model years?
What are the cheapest Engine Blocks for my 1971 Jeep J-100?
The cheapest 1971 Jeep J-100 Engine Blocks we carry are:
- Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (18481405) – $6.99
- Oil Fill Plug (10946225) – $8.49
- 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 1971 Jeep models?
Yes. We stock Engine Blocks for 12 other popular 1971 Jeep models. Some of the most popular are 1971 CJ5 Engine Blocks, 1971 J-2600 Engine Blocks, 1971 J-2500 Engine Blocks, 1971 CJ6 Engine Blocks, and 1971 J-3800 Engine Blocks.
What are the top-rated Engine Blocks that fit the 1971 Jeep J-100?
The one 1971 Jeep J-100 Engine Block we have in stock is the Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack. It is rated 5 stars and costs $6.99.
What types of Engine Blocks do you sell for my 1971 Jeep J-100?
As of 11/2/25, these are some of the most in-demand types of Engine Blocks for a 1971 Jeep J-100:
Can I get help with 1971 Jeep J-100 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 J-100 Engine Blocks?
Advance Auto Parts keeps returns simple. For new Jeep J-100 Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.