5.9L Cummins
5.9L Cummins Truck Parts at JJ Motorsports
Upgrade and maintain your 5.9L Cummins diesel engine with premium parts from JJ Motorsports. Our selection includes grid heater deletes, timing tools, water separator deletes, and more for enhanced airflow, performance, and fuel efficiency. Compatible with Dodge Ram and other trucks from 1989-2007, these durable components are ideal for restorations, off-road upgrades, and daily driving, ensuring reliability and precision.
Shop high-quality, USA-made parts. Explore related categories such as truck engines and components for power upgrades or truck oils, fluids and sealer for maintenance essentials.
Top 5.9L Cummins Products
- Intake Grid Heater Delete Spacer for 98-07 Dodge Ram 5.9L Cummins Diesel - Anodized Red – High-performance upgrade to improve airflow, reduce exhaust gas temperatures, and eliminate restrictive factory heater grid.
- Cummins Diesel Cam Gear Timing Lock Pin Tool - Aluminum (1989-1998) – Precision aluminum tool for secure cam gear timing during maintenance, replacing fragile stock plastic pin.
- Water Separator Delete for Cummins 5.9L 2nd Gen Diesel - Fuel Filter 3402/3379 - Red – Replacement to enhance fuel system efficiency, with manual petcock valve for easy draining and red anodized finish.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
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Intake Grid Heater Delete Spacer for 98-07 Dodge Ram 5.9L Cummins Diesel - Anodized Red
J J MOTORSPORTS
$40.00The factory intake heater grid restricts airflow and traps heat in your 5.9L Cummins combustion chamber—this delete spacer eliminates that bottleneck to drop EGTs, reduce smoke, and unlock cleaner combustion. If you're running moderate power levels or...TRJJ-1061- SKU:
- TRJJ-1061
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- Made In:
- Michigan, USA
- Finish:
- Anodized Red
$40.00 -
Cummins Diesel Cam Gear Timing Lock Pin Tool - Aluminum (1989-1998)
J J MOTORSPORTS
$25.00The stock plastic timing pin on your 1989-1998 Cummins diesel engine is a known failure point that can compromise cam gear timing and derail critical maintenance work. This aluminum replacement eliminates that weakness, delivering the durability and...TRJJ-1062- SKU:
- TRJJ-1062
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- Made In:
- Michigan, USA
- Material:
- Aluminum
$25.00 -
Water Separator Delete for Cummins 5.9L 2nd Gen Diesel - Fuel Filter 3402/3379 - Red
J J MOTORSPORTS
$24.99If you're running a 1st or 2nd gen Cummins 5.9L 12V, replacing the factory water separator with a dedicated delete fitting cuts maintenance headaches and improves fuel system reliability. The manual petcock valve gives you simple, on-demand drainage...TRJJ-1060- SKU:
- TRJJ-1060
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- Made In:
- Michigan, USA
- For:
- 5.9L 12V Cummins 2nd Generation
$24.99
