1978 Mercury Bobcat Engine Blocks
Keep Your 1978 Mercury Bobcat 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 1978 Mercury Bobcat looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including 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 1978 Mercury Bobcat Engine Block at Advance Auto Parts is around $11.12, with a range that starts at $10.49 and goes up to $12.99. With 3 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Stock Replacement Type Oil Pump Intermediate Shaft, Stock Replacement Type Oil Pump Intermediate Shaft, and Engine Assembly Lubricant start at just $10.49 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 1978 Mercury Bobcat in peak condition, inside and out.
Find Your Specific 1978 Mercury Bobcat Engine Blocks
Looking for the perfect Engine Block for your 1978 Mercury Bobcat? 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 Bobcat. Whether you’re driving a 1978 model or another popular model year like
1975,
1976,
1977,
1979, and
1980, 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 1978 Mercury Bobcat Engine Blocks
Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-86C)
from
$10.49
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
Product Features:
See More
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
Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-87)
from
$12.99
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.
Product Features:
See More
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
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
Popular 1978 Mercury Bobcat Engine Blocks Categories
Most Popular Oil Pump Shafts for 1978 Mercury Bobcats
Enhance your 1978 Mercury Bobcat with one of the 2 Oil Pump Shafts we have in stock, starting at just $10.49.
Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-86C)
from
$10.49
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
Product Features:
See More
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
Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-87)
from
$12.99
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.
Product Features:
See More
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
Best-Selling 1978 Mercury Bobcat Engine Assembly Lube
Upgrade your Bobcat with our best-selling Engine Assembly Lube.
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
FAQs for 1978 Mercury Bobcat Engine Blocks
What are the best-selling Engine Blocks for 1978 Mercury Bobcats?
Out of 3 Engine Blocks that fit 1978 Mercury Bobcats, the following parts are the top sellers:
- Stock Replacement Type Oil Pump Intermediate Shaft (3681653) – $10.49
- Stock Replacement Type Oil Pump Intermediate Shaft (3716627) – $12.99
- Engine Assembly Lubricant (20686470) – $10.49
What’s the price range for 1978 Mercury Bobcat Engine Blocks?
The prices of Engine Blocks for the 1978 Mercury Bobcat range from $10.49 up to $12.99 for the most premium parts.
What is the average price of an Engine Block for a 1978 Mercury Bobcat?
The average price for Engine Blocks for the 1978 Mercury Bobcat is $11.12. 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 Bobcat model years?
What are the cheapest Engine Blocks for my 1978 Mercury Bobcat?
The cheapest 1978 Mercury Bobcat Engine Blocks we carry are:
- Stock Replacement Type Oil Pump Intermediate Shaft (3681653) – $10.49
- Engine Assembly Lubricant (20686470) – $10.49
- Stock Replacement Type Oil Pump Intermediate Shaft (3716627) – $12.99
Does Advance Auto Parts sell Engine Blocks for any other 1978 Mercury models?
Yes. We stock Engine Blocks for 4 other popular 1978 Mercury models. Some of the most popular are 1978 Cougar Engine Blocks, 1978 Grand Marquis Engine Blocks, 1978 Zephyr Engine Blocks, 1978 Marquis Engine Blocks, and 1978 Monarch Engine Blocks.
What types of Engine Blocks do you sell for my 1978 Mercury Bobcat?
As of 11/2/25, these are some of the most in-demand types of Engine Blocks for a 1978 Mercury Bobcat:
Can I get help with 1978 Mercury Bobcat 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 Bobcat Engine Blocks?
Advance Auto Parts keeps returns simple. For new Mercury Bobcat Engine Blocks and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.