MOD120 ACCUFAB RACING Billet Rear Seal Cover Dohc Cobra

Review ACCUFAB RACING Billet Rear Main Seal Cover Upgrade 4.6 4v Dohc for COBRA 1996–2004

The Accufab Racing Mod120 Billet Rear Seal Cover is a high-performance upgrade for the 1996-2004 Ford Cobra 4.6L 4V DOHC engines. This billet aluminum component replaces the factory cast rear seal cover, offering several benefits for enthusiasts and racers.

First and foremost, the Accufab Racing Mod120 Billet Rear Seal Cover is made from 6061-T6 billet aluminum. This material is known for its strength, durability, and ability to dissipate heat effectively. Compared to the cast factory cover, this billet design is not only stronger but also lighter, contributing to improved engine performance and response.

The Mod120 designation refers to the cover's unique oil gallery design. Accufab Racing engineered this cover to provide increased oil flow to critical areas of the engine, ensuring proper lubrication and cooling. The Mod120 cover features a larger oil gallery cross-section and an expanded oil passage network, which results in a more efficient oil flow and improved engine performance.

Another advantage of the Accufab Racing Mod120 Billet Rear Seal Cover is its compatibility with aftermarket oil pumps. This cover is designed to work seamlessly with popular aftermarket oil pump upgrades, allowing users to enhance their engine's oiling system for even better performance.

The Mod120 cover also includes a built-in oil cooler mounting surface. This feature enables users to easily install an oil cooler, further improving engine cooling capabilities and overall performance. The cover's surface is CNC machined to provide a perfect, flat surface for the oil cooler mounting bracket.

Lastly, the Accufab Racing Mod120 Billet Rear Seal Cover comes with an O-ring seal. This seal ensures a perfect fit and a leak-free installation. The O-ring is made from high-quality Viton material, which is known for its excellent sealing properties and resistance to oil, heat, and other harsh engine conditions.

In summary, the Accufab Racing Mod120 Billet Rear Seal Cover is a must-have upgrade for any 1996-2004 Ford Cobra 4.6L 4V DOHC engine. This billet aluminum cover offers increased strength, improved oil flow, compatibility with aftermarket oil pumps, and the ability to install an oil cooler. The cover's O-ring seal ensures a secure and leak-free installation, making it an essential component for enthusiasts and racers looking to maximize their engine's performance.

Pros and Cons of Buying Accufab Racing Mod120 Billet Rear Seal Cover for 1996-2004 Cobra 4.6 4V DOHC

1. Enhanced Sealing: The billet rear seal cover from Accufab Racing is designed to provide better sealing than the OEM part. It features a larger sealing surface area and a more precise fit, reducing the chances of oil leaks.

2. Improved Appearance: The billet aluminum construction not only enhances the performance but also adds an aesthetic appeal to your engine bay.

3. Durability: The billet aluminum material is stronger and more resilient than the OEM plastic cover, ensuring it can withstand the rigors of high-performance use.

4. Easy Installation: The Mod120 billet rear seal cover is a direct replacement for the factory part, making the installation process straightforward and hassle-free.

5. Compatibility: This part is specifically designed for 1996-2004 Ford Cobra 4.6 4V DOHC engines, ensuring a perfect fit.

1. Cost: The Accufab Racing Mod120 billet rear seal cover is more expensive than the OEM part. However, the potential performance gains and improved durability might justify the investment for some enthusiasts.

2. Availability: This aftermarket part might not be as readily available as the OEM part in local auto parts stores. You may need to purchase it from specialized performance parts suppliers or online retailers.

The Accufab Racing Mod120 billet rear seal cover is an excellent upgrade for enthusiasts looking to improve the sealing performance and durability of their 1996-2004 Ford Cobra 4.6 4V DOHC engine. While it comes with a higher price tag than the OEM part, its enhanced functionality, improved appearance, and durability make it a worthwhile investment for those seeking optimal engine performance.

If you are a Cobra owner looking to enhance your engine's sealing performance and durability, the Accufab Racing Mod120 billet rear seal cover is a solid choice. We recommend considering this upgrade as part of your high-performance modifications or as a preventative measure against potential oil leaks.

Details:

It can be expensive to repair, often $600 or more, because it typically involves removing the transmission and, in some cases, all part of engine. Rear main seals can be made of rubber or silicone, and they wear out because age, the rotational forces crankshaft, corrosion from road salt other environmental factors. Fits all ford mod motor 4.6, 5.4, 5.8, 6.8l v 10 blocks, including Racing blocks. The thick CBC construction helps support the rear of block and provide a stable housing for main seal.

In some cases, that can stop or slow leaks. Comes with new APR bolts, Vito o-ring, and the rear seal is pre-installed. On most front-wheel-drive vehicles the engine is mounted transversely, so rear of end opposite one with pulleys and drive accessory belt. This design helps prevent leaks and increases block stability.

Accufab Racing billet rear main cover with crank seal and o-ring block gasket for all ford 1996 modular 4.6 5.4 2v 3v 4v engines not 5.0 coyote. For use with all stock and aftermarket crankshafts. Mechanics frequently advise that when a transmission has to be removed for any reason, that's good time replace the rear main seal, even if it isn leaking, because much of disassembly work involved will already done. Also, fits all 2v ,3v or 4v except coyote applications.

An oil leak from the main seal, also known as rear crankshaft will usually drip where transmission connects to engine, though it may show up elsewhere, such on pan. Leak free design uses o-ring, not silicone, for sealing.

specifications engineblocksam:

• for models: Cobra
• for years: 1996–2004
• brand: Accufab Racing
• mpn: Mod120
• type: Engine Block
• items included: Seal

shipping engineblocksam:

• class: standard, expedited
• carrier: usps, fedex, ups
• transit: 3-8 days
• type: fixed
• service: usps ground advantage, usps priority mail, fedex ground / fedex home delivery, ups ground

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• other
• wallet: google-pay
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• paid by: seller
• time: 30 days
• policy: returns accepted

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks

seller engineblocksam:

• city: knoxville, tennessee
• # reviews: 14586
• rating: 99.9%

offer engineblocksam:

• in stock #: 5
• price: $189.00
• item condition: New
• options: ship-to-home
• availability: in stock
• sold #: 9
• started: january 21, 2026
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