fits make: Gmc. year: 1973–2000.

( Manufacturer Part Number: 400.GCHB00 ), ( Model: HGMC-BUS ), ( Part Type: Transmission ), ( Conditions Options: Call For Better Price ), ( Genuine Oem: Yes ), ( Designation: Used ), ( Stock : 160833 )
The 400.gchb00 is a high-quality automatic transmission rebuild kit specifically designed for 1973 GMC vehicles with a 2000 series engine and a BUS 90 transmission. This kit is a comprehensive solution for those seeking to repair or replace their worn-out transmission, offering a reliable and cost-effective alternative to a complete new transmission.
The 400.gchb00 kit includes all the necessary components to complete a professional-grade rebuild, including a torque converter, transmission pump, filter, valve body, and various seals and gaskets. Each component is meticulously manufactured to meet or exceed original equipment manufacturer (OEM) specifications, ensuring a seamless fit and reliable performance.
The torque converter, a crucial component of any automatic transmission, is designed to provide smooth and efficient power transfer between the engine and transmission. The pump, on the other hand, is responsible for delivering fluid pressure to the various parts of the transmission, enabling them to function properly. The filter in this kit ensures that the transmission fluid remains clean and free of debris, further extending the life of the transmission.
The valve body, a complex assembly that controls the flow of transmission fluid, is another key component of the 400.gchb00 kit. This kit includes a new valve body with updated valve positions and flow patterns, providing improved shifting performance and fuel efficiency.
In addition to these major components, the 400.gchb00 kit also includes a variety of seals and gaskets to ensure a tight and leak-free fit. These include the transmission pan gasket, oil cooler gasket, and various seals for the torque converter and valve body.
Overall, the 400.gchb00 is an excellent choice for anyone looking to repair or replace their 1973 GMC BUS 90 transmission. With its high-quality components and comprehensive design, this kit can save you time, money, and the hassle of dealing with a failing transmission. Whether you're a DIY enthusiast or a professional mechanic, this kit offers a reliable and cost-effective solution for keeping your GMC running smoothly.
Pros of buying a 400 GCHB 2000 GMC Automatic Transmission HGMC-BUS 90 (1973):1. Availability: Older parts like this one can be difficult to find, but if you're in need of a replacement for a 1973 GMC, this might be your best bet.
2. Affordability: Compared to new or reconditioned parts, used parts like this one are often more budget-friendly.
3. Potential for Restoration: If you're restoring a classic GMC, this part could be a great addition as it retains the original character of the vehicle.
Cons of buying a 400 GCHB 2000 GMC Automatic Transmission HGMC-BUS 90 (1973):1. Unknown Condition: Since it's a used part, you can't be sure of its condition until you've inspected it. It might need repairs or replacement parts itself.
2. Wear and Tear: Older parts like this one have likely been used extensively and could have wear and tear that affects its performance.
3. Compatibility: While it's a GMC part, it might not be a perfect fit for your specific vehicle. Always double-check the compatibility before making a purchase.
Ending Conclusion:Buying a used 400 GCHB 2000 GMC Automatic Transmission HGMC-BUS 90 (1973) can be a good option if you're on a budget and looking for an original part for your classic GMC. However, you should be prepared for potential complications such as unknown condition, wear and tear, and compatibility issues. It's always a good idea to inspect the part thoroughly and ensure it's the right fit for your vehicle before making the purchase.
Recommendation:If you decide to go ahead with this purchase, I would recommend checking the part thoroughly for any signs of damage or wear and tear. Also, ensure that it's the right fit for your vehicle by checking the specifications. If you're unsure, you might want to consult with a professional mechanic who can provide advice based on your specific situation.
Install new belts and hoses. Align and engage torque converter into front pump.
Install new spark plugs wires. Flush cooling system and re-fill.
Install new filter kit. Fill trans with manufacture specified fluid.
Replace valve cover gaskets. Clear all transmission computer codes prior to starting or operating vehicle.
Transmission installation procedures prior to of your used we require these steps be taken for warranty valid. Replace oil, air and fuel filters.
If needed replace timing gears, chains or belts gaskets. Replace thermostat gasket.
Adjust throttle position sensor cable.
Pre-installation requirements: drain and replace engine oils to manufacture suggested levels. Engines are guaranteed against knocking and excessive smoking. Replace oil pan gasket and rear main seal.
Pre-installation requirements: replace all seals.