
Elevate your Cummins truck's performance with the Full Send Diesel FSD-CU985P-20TH 20AN Thermostat Housing. Designed for 2003-2007 5.9 Cummins models, this high-quality housing features a robust braided hose construction, ensuring long-term durability and reliability. The kit includes premium fittings and the housing itself, which enhances your truck's underhood aesthetics with a sleek, polished look. With a lifetime workmanship warranty, this thermostat housing offers peace of mind and straightforward installation, effectively bypassing the heat exchanger on the engine block for improved cooling efficiency.
- Direct replacement for failed or leaking heater hoses
- Includes high-quality fittings and durable braided hose
- Lifetime workmanship warranty for added security
- Easy installation with a clean, polished appearance
Upgrade to the Full Send Diesel thermostat housing and maintain optimal engine temperatures with style.

Elevate your Cummins truck's performance with the Full Send Diesel FSD-CU985P-20TH 20AN Thermostat Housing. Designed for 2003-2007 5.9 Cummins models, this high-quality housing features a robust braided hose construction, ensuring long-term durability and reliability. The kit includes premium fittings and the housing itself, which enhances your truck's underhood aesthetics with a sleek, polished look. With a lifetime workmanship warranty, this thermostat housing offers peace of mind and straightforward installation, effectively bypassing the heat exchanger on the engine block for improved cooling efficiency.
- Direct replacement for failed or leaking heater hoses
- Includes high-quality fittings and durable braided hose
- Lifetime workmanship warranty for added security
- Easy installation with a clean, polished appearance
Upgrade to the Full Send Diesel thermostat housing and maintain optimal engine temperatures with style.