GM TRUCKS 15659719 Transfer Tcase TH700

( Brand: Gm Trucks ), ( Manufacturer Part Number: 15659719 ), ( Part Type: Transfer Case ), ( Id: 217f8028-60fa-406e-b3b7-fcd97b67cac7 ), ( Interchange: 412-248 )

Review GM TRUCKS Transfer Case Assembly Oem Tcase At fits SIERRA 2500 4X4 1988–1992

The GM 15659719 transfer case is a crucial component in the four-wheel-drive system of certain 1988-1992 Sierra 2500 trucks. This transfer case, specifically a TH700 model, is designed to provide power to the rear wheels when engaged in 4WD mode.

The TH700 transfer case is a robust and reliable unit, featuring a two-speed design that enables drivers to switch between 2WD and 4WD modes. The unit's housing is made of strong cast iron, ensuring durability and protection against the rigors of off-road driving or heavy-duty towing.

The transfer case comes equipped with a 2.73:1 low range gear ratio, which is ideal for low-speed applications such as climbing steep inclines or navigating challenging terrain. When in high range (1.00:1), the transfer case delivers power smoothly and efficiently to the rear wheels.

The TH700 transfer case boasts a chain-driven design, which offers several advantages over alternative belt-driven systems. Chains are more durable and less prone to slippage, making this transfer case an excellent choice for heavy-duty applications.

This transfer case is designed to be installed in 1988-1992 Sierra 2500 trucks with a 7.4L V8 engine and a manual transmission. It is crucial to ensure proper installation and alignment to ensure the transfer case functions optimally.

The GM 15659719 transfer case comes fully rebuilt and ready to install in your vehicle. Each unit undergoes a rigorous rebuilding process, which includes the replacement of all seals, bearings, and gaskets, ensuring a leak-free and efficient transfer case operation.

In summary, the GM 15659719 TH700 transfer case is a robust and reliable component of the four-wheel-drive system in select 1988-1992 Sierra 2500 trucks. Its two-speed design, strong cast iron housing, and chain-driven architecture make it an excellent choice for heavy-duty off-road applications, while its smooth shifting and efficient power delivery make it ideal for everyday use.

The GM 15659719 transfer case for the 1988-1992 Sierra 2500 4x4 with TH700 transmission is an essential component of the vehicle's four-wheel-drive system. Here are some pros and cons of buying this transfer case to help you make an informed decision.

1. Durability: The TH700 transfer case is known for its robustness and ability to handle heavy loads. This makes it a popular choice among off-road enthusiasts and commercial users.

2. Versatility: The transfer case offers both 2-wheel drive and 4-wheel drive modes, allowing you to switch between them depending on the driving conditions.

3. Reliability: This transfer case has a proven track record of reliability, with many users reporting long service life and minimal issues.

1. Availability: Due to its age, the TH700 transfer case can be challenging to find in good condition. You may need to search extensively to find a rebuilt or used transfer case that meets your needs.

2. Cost: Rebuilt or used transfer cases can be expensive, especially if you need to have it shipped from a distant location. Additionally, you may need to invest in additional parts or labor to get it installed and functioning correctly.

3. Complexity: Installing a transfer case can be a complex process, especially if you are not mechanically inclined. It may be worth considering hiring a professional to do the installation for you.

The GM 15659719 transfer case for the 1988-1992 Sierra 2500 4x4 with TH700 transmission is a reliable and durable component of the vehicle's four-wheel-drive system. However, due to its age and availability, it may be challenging to find a good condition transfer case at an affordable price. If you are mechanically inclined and have the time and resources to search for a suitable transfer case, it can be a worthwhile investment. Alternatively, you may want to consider newer transfer cases or alternative four-wheel-drive systems that offer similar capabilities but are more widely available and easier to install. Ultimately, the decision to buy this transfer case depends on your specific needs, budget, and mechanical abilities.

Details:

CHEVROLET PICKUP 1500 SERIES 91-92 AT TH7 4L60. CHEVROLET PICKUP 2500 SERIES 88 TH700 transmission. CHEVROLET PICKUP 2500 SERIES 91-92 AT, TH700 4L60 transmission.

part #: 15659719 prices

• $8.97-$14.87

specifications othellodrivetrain:

• for models: 2500, 4x4, Sierra
• for years: 1988-1992
• brand: Gm Trucks
• mpn: 15659719
• part type: Transfer Case
• id: 217f8028-60fa-406e-b3b7-fcd97b67cac7
• interchange: 412-248

returns othellodrivetrain:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

shipping othellodrivetrain:

• transit: 3-5 Days
• service: Standard
• class: Standard
• type: Fixed
• cost: $0.00

payments othellodrivetrain:

• wallet: Apple-pay
• credit card: Visa
• other

offer othellodrivetrain:

• availability: In Stock
• sold: 0
• best offers: True
• started: May 11, 2026
• quantity: 1
• options: Ship-to-home

seller othellodrivetrain:

• rating: 99.5%
• city: Brush, Colorado
• # reviews: 16422

general othellodrivetrain:

• Car Truck Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain
• condition: Used

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