BD Diesel Common Rail Exhaust Manifold Stock Mount (1045987) for 2003-2007 Cummins 5.9L
$576.95
The BD Diesel Common Rail Exhaust Manifold Stock Mount (Part #1045987) is a high-performance replacement for 2003–2007 Dodge Ram 5.9L Cummins engines. Made from high-silicon ductile iron, it improves exhaust flow, reduces backpressure, and enhances turbo spool-up and engine efficiency. Its stock-mount design allows easy installation without custom work, and built-in expansion joints help prevent cracking from heat stress. Ideal for towing or performance upgrades, it’s a durable, reliable alternative to the factory manifold.
Description
The BD Diesel Common Rail Exhaust Manifold Stock Mount (Part #1045987) is a high-performance upgrade designed specifically for 2003-2007 Dodge Ram trucks equipped with the 5.9L Cummins engine. Engineered to replace the restrictive factory manifold, this BD Diesel component features a durable, high-silicon ductile iron construction that enhances exhaust flow and reduces backpressure, resulting in improved turbo spool-up and overall engine efficiency. Its stock-mount design ensures a direct fit without the need for custom fabrication, making installation straightforward for both professional and DIY mechanics. The manifold also includes expansion joints to minimize cracking caused by thermal stress, ensuring long-term reliability and performance under demanding conditions. Ideal for towing, performance upgrades, or simply as a more durable alternative to OEM, the BD Diesel 1045987 manifold is a smart investment for Cummins owners seeking improved durability and power.
Additional information
| Weight | 25 lbs |
|---|---|
| Dimensions | 27 × 9 × 7 in |
| Brand |
Fitment
2003-2007 Cummins 5.9L
Features
- Fully divided pulse manifold design
- Pre-drilled for pyrometer probes
- High-silicon ductile iron
- Designed to withstand extreme temperatures and vibration
- Great for stock and performance installations
- Connection joints allows for expansion and contraction
- Prevents cracking or exhaust leaks
- Kit includes stainless steel hardware
- Gasket, Bolt and Spacers kits are available separately
- Replaces Cummins # 3967995, 3943871 & 3943875
Installation
Warning
- 1045987 can be used as a direct replacement for Cummins part numbers 3967995, 3943871 & 3943875 used on pick-up, motor homes, industrial and commercial engines.
- Not for sale on licensed California vehicles
- SEMA Certification No. SC-BDD01-0078
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Warning
Proposition 65
This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
