3" Fan Shroud Extension Ring Kit – Polished Stainless Steel for 2008+ Peterbilt and Kenworth NAMUX2/NAMUX3/NAMUX4 trucks.
This premium stainless steel extension ring is a superior replacement for the problematic OEM Paccar rubber boot-style fan ring and engine-mounted brackets found on 2008 and newer Peterbilt and Kenworth trucks. It rivets directly to the existing plastic fan shroud, providing proper fan blade engagement for improved airflow and significantly easier belt changes.
Kit Includes:
- (1) 3" Fan Shroud Extension Ring – Polished Stainless Steel
- (20) Stainless Steel Rivets
Compatibility:
- 2008 and newer Peterbilt and Kenworth trucks with NAMUX2, NAMUX3, or NAMUX4 chassis electronics
- Kenworth models: W900, T800, T660, T680, T880
- Peterbilt models: 389, 388, 386, 367, and similar
Important Notes:
- Designed as a direct upgrade/replacement for the factory rubber boot system.
- Contact Kustom Truck for confirmation of compatibility with your specific fan shroud and engine setup.
Key Specifications:
- Polished stainless steel construction for superior corrosion resistance and durability
- Improves cooling airflow and simplifies fan belt service
- Eliminates the need for problematic rubber boot and engine brackets
1 year
