Donepart
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Donepart Rear Main Seal Kit BS40640, LS Real Seal Cover Gasket with Crankshaft Seal for 1997-2016 Cadillac Buick GMC Hummer Isuzu Pontiac Saab 4.8L 5.3L 5.7L 6.0L Metal Engine Gaskets for Vehicles
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Donepart Rear Main Seal Kit BS40640, LS Real Seal Cover Gasket with Crankshaft Seal for 1997-2016 Cadillac Buick GMC Hummer Isuzu Pontiac Saab 4.8L 5.3L 5.7L 6.0L Metal Engine Gaskets for Vehicles
The gasket greatly prevent motor oil from leaking out as it travels around the camshafts, rockers and valves.
Donepart Rear Main Seal Kit BS40640, LS Real Seal Cover Gasket with Crankshaft Seal for 1997-2016 Cadillac Buick GMC Hummer Isuzu Pontiac Saab 4.8L 5.3L 5.7L 6.0L Metal Engine Gaskets for Vehicles

Donepart Rear Main Seal Kit BS40640, LS Real Seal Cover Gasket with Crankshaft Seal for 1997-2016 Cadillac Buick GMC Hummer Isuzu Pontiac Saab 4.8L

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The gasket greatly prevent motor oil from leaking out as it travels around the camshafts, rockers and valves.
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What Stands Out

Comprehensive Kit
Includes all necessary gaskets and seals for a complete rear main seal replacement, ensuring a proper fit for various GM engines, minimizing the risk of leaks and reducing installation time.
Durable Materials
Manufactured with high-quality metal and durable materials, enhancing longevity and resistance to wear, thereby ensuring optimal engine performance and reliability for Cadillac, Buick, GMC, and other compatible vehicles.
Compatible Range
Specifically designed for a wide range of GM vehicles from 1997-2016, including Cadillac, Buick, GMC, and more, this kit addresses various engine sizes, providing versatility for mechanics and DIY enthusiasts.

Product Details

Shop the best quality Rear Main Seal Kit for 1997-2016 Cadillac Buick GMC Hummer Isuzu Pontiac Saab at Ubuy Grenada. Get the perfect fit with BS40640 Rear Cover Gasket and Crankshaft Seal for 4.8L 5.3L 5.7L 6.0L engines.
  • Compatibility: Fits GMC Hummer Buick Cadillac Pontiac Saab Isuzu 4.8L 5.3L 5.7L 6.0L engines
  • Interchange/Part Number: BS40640
  • Function: Premium construction materials prevent oil leaks and maintain sealing properties
  • Durability: Meets OEM needs for superior sealing performance and durability
  • Purchase tip: Check description and compatibility chart before purchasing
  • Contact us for assistance with fitment
Item Weight1.2 lbs (540 grams)

Who Should Buy?

Suitable For
  • DIY Mechanics

    Ideal for hobbyists looking to replace rear main seals on compatible LS engines efficiently and affordably.

  • Fleet Maintenance

    Perfect for businesses maintaining multiple vehicles with LS engines, ensuring cost-effective and reliable repairs.

  • Engine Rebuilders

    Beneficial for professionals rebuilding LS engines, providing high-quality gaskets necessary for optimal engine performance.

Not Suitable For
  • Non-LS Vehicles

    Not suitable for vehicles outside the specified Cadillac, Buick, GMC, and related models using LS engines.

  • Casual Drivers

    Not ideal for everyday drivers who rarely perform mechanical repairs or maintenance on their vehicles.

  • Budget-Conscious Users

    May not be the best choice for those wanting the absolute lowest price for basic maintenance without brand recognition.

Product Description

Donepart Rear Main Seal Kit BS40640, LS Real Seal Cover Gasket with Crankshaft Seal for 1997-2016 Cadillac Buick GMC Hummer Isuzu Pontiac Saab 4.8L 5.3L 5.7L 6.0L Metal Engine Gaskets for Vehicles

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What does the Donepart Rear Main Seal Kit BS40640 include?

    Answer: The Donepart Rear Main Seal Kit BS40640 includes a rear main seal, professional-grade gaskets, and a crankshaft seal specifically designed for various models from Cadillac, Buick, GMC, Hummer, Isuzu, Pontiac, and Saab with a 4.8L engine. This kit provides everything necessary to effectively prevent oil leaks and maintain engine integrity. It's crucial for vehicles experiencing oil seepage or having recently undergone major engine work because a reliable seal is essential to ensure optimal engine performance and longevity.
  • Question: How do I know if my vehicle needs a new rear main seal?

    Answer: Indicators that your vehicle may need a new rear main seal include noticeable oil leaks underneath the vehicle, oil spots on the driveway, or low oil pressure warnings. Often, if you experience an oily residue around the transmission or a significant drop in oil levels without apparent leaks elsewhere, it is best to inspect the rear main seal. Replacing a failing seal promptly can help avoid more extensive damage to your engine, especially in high-performance and heavy-duty environments.
  • Question: Is this kit compatible with multiple vehicle brands?

    Answer: Yes, the Donepart Rear Main Seal Kit BS40640 is designed to be compatible with multiple brands including Cadillac, Buick, GMC, Hummer, Isuzu, Pontiac, and Saab for the 4.8L engine. This versatility makes it a suitable choice for mechanics and individuals working on a variety of vehicles under these manufacturers. It is particularly beneficial for those who own several vehicles from these brands, streamlining the maintenance process without needing multiple different kits.
  • Question: What is the importance of using a high-quality rear main seal?

    Answer: Using a high-quality rear main seal, like the one in the Donepart kit, is critical as it helps maintain engine pressure and prevents oil leaks that can lead to a loss of lubrication. Quality seals are typically made of durable materials capable of withstanding high temperatures and pressures, reducing the likelihood of premature failure. This is especially important in high-performance setups, where engine components are under significantly more stress, ensuring reliability and performance longevity.
  • Question: Can I install the Donepart Rear Main Seal Kit myself?

    Answer: Yes, with the right tools and mechanical knowledge, you can install the Donepart Rear Main Seal Kit yourself. The installation involves lifting the vehicle, removing the transmission, and accessing the rear main seal. For those familiar with DIY automotive repairs, this can be a rewarding project. However, if you’re not experienced, it's advisable to consult a professional to ensure the job is done correctly, as improper installation may lead to leaks or engine damage.
  • Question: What materials are used in the Donepart Rear Main Seal Kit?

    Answer: The Donepart Rear Main Seal Kit is constructed with high-grade rubber and composite materials designed to withstand the pressures and temperatures typical of automotive engines. These materials ensure a reliable seal that provides durability and leak resistance. When choosing gasket kits, high-quality materials can significantly affect the performance and lifespan of engine components, especially when subjected to harsh operating conditions.
  • Question: What should I do if I still have oil leaks after installing the seal?

    Answer: If you experience oil leaks after installing the Donepart Rear Main Seal Kit, start by double-checking your installation for any misalignments or improper sealing. It’s essential to ensure that the gasket surfaces were clean and free of debris before installation. If issues persist, it might indicate a more significant problem elsewhere in the engine, which may require professional diagnostics. Regular engine maintenance can often prevent such issues, making it crucial to monitor oil levels.
  • Question: Where can I buy Donepart Rear Main Seal Kit BS40640?

    Answer: You can buy the Donepart Rear Main Seal Kit BS40640 on Ubuy. Ubuy offers a wide selection of automotive parts, ensuring that you can find the specific kit you need for your vehicle. With their user-friendly interface and reliable service, Ubuy is a convenient option for purchasing high-quality automotive components for various makes and models.
  • Question: What is the lifespan of a rear main seal?

    Answer: The lifespan of a rear main seal can vary significantly based on driving conditions, engine usage, and maintenance practices. Typically, a high-quality seal like the one included in the Donepart kit can last several years under regular driving conditions. However, performance issues, overheating, or inconsistent oil changes may shorten the lifespan significantly. Monitoring your vehicle's maintenance can help maximize the longevity of the seal and overall engine performance.
  • Question: Are there any signs that indicate I should check my rear main seal regularly?

    Answer: Certainly! Signs that warrant regular checks of your rear main seal include oil spots on the ground where you park, fluctuations in oil pressure, or presence of oil on the outside of the seal area. If your engine is making unusual noises or there is an increase in oil consumption, these are also indicators that the seal may need examination. Proactively checking these features can help prevent costly repairs down the road.

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Features & Benefits

  • Rear Main Seal Kit BS40640 LS Real Seal Cover Gasket with Crankshaft Seal
  • Compatible with 1997-2016 Cadillac Buick GMC Hummer Isuzu Pontiac Saab 4.8L 5.3L 5.7L 6.0L
  • Premium materials ensure shape retention and sealing properties
  • Superior sealing performance and durability
  • Advanced technology for a tight seal and extended service life
  • Please check compatibility and description before purchasing

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