1971 Mercury Comet Engine Blocks
Keep Your 1971 Mercury Comet 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 Mercury Comet looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oil Caps and Oil Pump Shafts. 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 Melling. For example, Carquest Premium Engine Blocks start at just $14.99 with an average 4.5 star rating. Melling offer similar pricing and quality, backed by strong customer feedback. With over 38 reviews and a solid 5.0 star average, you can shop with confidence knowing other Mercury Comet owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1971 Mercury Comet Engine Block at Advance Auto Parts is around $15.71, with a range that starts at $10.79 and goes up to $31.99. With 5 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-68, Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-65B, and Melling Select Performance Engine Oil Pump Intermediate Shaft, 12680 start at just $14.49 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 Mercury Comet in peak condition, inside and out.
Find Your Specific 1971 Mercury Comet Engine Blocks
Looking for the perfect Engine Block for your 1971 Mercury Comet? 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 Mercury Comet. Whether you’re driving a 1971 model or another popular model year like
1967,
1968,
1969,
1972,
1973,
1974,
1975,
1976, and
1977, 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 Mercury Comet Engine Blocks
Carquest Premium – Carquest Crankcase Breather Cap, 10061 (Part No.10061)
from
$14.99
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.
See More
Carquest Premium – Carquest Crankcase Breather Cap, 10071 (Part No.10071)
from
$14.99
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.
See More
Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-83 (Part No.IS-83)
from
$17.99
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 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.
See More
Melling Select Performance – Melling Select Performance Engine Oil Pump Intermediate Shaft, 12600 (Part No.12600)
from
$33.99
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 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.
See More
Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-84A (Part No.IS-84A)
from
$21.49
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.
See More
Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-65B (Part No.IS-65B)
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.
See More
Melling Select Performance – Melling Select Performance Engine Oil Pump Intermediate Shaft, 12680 (Part No.12680)
from
$31.99
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 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.
See More
Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-68 (Part No.IS-68)
from
$16.99
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 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.
See More
Melling Select Performance – Melling Select Performance Engine Oil Pump Intermediate Shaft, 12830 (Part No.12830)
from
$30.49
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.
See More
Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-60 (Part No.IS-60)
from
$23.49
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.
See More
Sealed Power – Sealed Power Engine Oil Pump Intermediate Shaft, 224-61118 (Part No.224-61118)
from
$10.79
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
Popular 1971 Mercury Comet Engine Blocks Categories
Most Popular Oil Cap for 1971 Mercury Comets
Enhance your 1971 Mercury Comet with this popular Oil Cap we have in stock, for $14.99.
Carquest Premium – Carquest Crankcase Breather Cap, 10071 (Part No.10071)
from
$14.99
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.
See More
Best-Selling 1971 Mercury Comet Oil Pump Shafts
Upgrade your Comet with one of our 4 best-selling Oil Pump Shafts, earning an average 4.5 stars rating across 2 reviews.
Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-68 (Part No.IS-68)
from
$16.99
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 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.
See More
Melling Select Performance – Melling Select Performance Engine Oil Pump Intermediate Shaft, 12680 (Part No.12680)
from
$31.99
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 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.
See More
Melling – Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-65B (Part No.IS-65B)
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.
See More
Sealed Power – Sealed Power Engine Oil Pump Intermediate Shaft, 224-61118 (Part No.224-61118)
from
$10.79
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
Top-Rated Engine Block Brands For Your 1971 Mercury Comet
When it comes to finding the perfect Engine Block for your 1971 Mercury Comet, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Engine Block brands including Carquest Premium and Melling, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $14.99. Purchasing a Engine Block from us here at Advance Auto Parts is a smart move for both you and your 1971 Mercury Comet, providing peace of mind with parts that meet or exceed OEM standards.
Popular Carquest Premium 1971 Mercury Comet Engine Blocks
If you’re looking for a top-quality Engine Block for your 1971 Mercury Comet, 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 $14.99, you’ll find the perfect Engine Block for your needs and budget. Carquest Premium Engine Blocks for the 1971 Mercury Comet come highly rated, with over 4 customer reviews and an impressive average rating of 4.5 stars. Choosing a Carquest Premium Engine Block from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Top-Quality Melling 1971 Mercury Comet Engine Blocks
For those in search of a high-quality Engine Block for their 1971 Mercury Comet, Advance Auto Parts offers a great selection of Melling Engine Blocks. With 1 Melling 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 $16.99, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.3 stars, Melling Engine Blocks provide both reliability and excellent performance. Choosing a Melling Engine Block from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$16.99
(2)
Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-68
“This part does what is needed. I was seriously considering purchasing the heavy duty unit by Ford Racing, but it really hit me that my truck doesn’t ”
FAQs for 1971 Mercury Comet Engine Blocks
What are the best-selling Engine Blocks for 1971 Mercury Comets?
Out of 5 Engine Blocks that fit 1971 Mercury Comets, the following parts are the top sellers:
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-68 (5687829) – $16.99
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-65B (3681599) – $14.49
- Melling Select Performance Engine Oil Pump Intermediate Shaft, 12680 (11965244) – $31.99
What’s the price range for 1971 Mercury Comet Engine Blocks?
The prices of Engine Blocks for the 1971 Mercury Comet range from $10.79 up to $31.99 for the most premium parts.
What is the average price of an Engine Block for a 1971 Mercury Comet?
The average price for Engine Blocks for the 1971 Mercury Comet is $15.71. 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 Mercury Comet model years?
What are the cheapest Engine Blocks for my 1971 Mercury Comet?
The cheapest 1971 Mercury Comet Engine Blocks we carry are:
- Sealed Power Engine Oil Pump Intermediate Shaft, 224-61118 (20686159) – $10.79
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-65B (3681599) – $14.49
- Carquest Crankcase Breather Cap, 10071 (18481407) – $14.99
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-68 (5687829) – $16.99
- Melling Select Performance Engine Oil Pump Intermediate Shaft, 12680 (11965244) – $31.99
Does Advance Auto Parts sell Engine Blocks for any other 1971 Mercury models?
Yes. We stock Engine Blocks for 5 other popular 1971 Mercury models. Some of the most popular are 1971 Cougar Engine Blocks, 1971 Monterey Engine Blocks, 1971 Colony Park Engine Blocks, 1971 Montego Engine Blocks, and 1971 Marquis Engine Blocks.
What are the top-rated Engine Blocks that fit the 1971 Mercury Comet?
Based on 38 reviews by customers, our 1971 Mercury Comet Engine Blocks have an average customer rating of 5.0 stars. These are the highest-rated categories of Engine Blocks for the 1971 Mercury Comet and their top-rated products:
- Oil Caps
- Carquest Crankcase Breather Cap, 10071 (18481407) – $14.99
- Oil Pump Shafts
- Melling Stock Replacement Type Oil Pump Intermediate Shaft, IS-68 (5687829) – $16.99
What types of Engine Blocks do you sell for my 1971 Mercury Comet?
As of 8/2/26, these are some of the most in-demand types of Engine Blocks for a 1971 Mercury Comet:
Can I get help with 1971 Mercury Comet Engine Block orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Engine Blocks and more.
What is your return policy for Mercury Comet Engine Blocks?
Advance Auto Parts keeps returns simple. For new Mercury Comet Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.