k&n
K&N SO-4003 Spin On Oil Filter
- SKU:
- 20544122
- MPN:
- so4003
- Availability:
- Usually ships the same or next business day. In stock at our CA, MI warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 07/15/2026 09:10:42 AM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $14.17 each 14.17 |
| Buy 3 | and pay only $12.33 each 12.33 |
| Buy 4 | and pay only $11.20 each 11.2 |
| Buy 5 or above | and pay only $10.99 each 10.99 |
- Stock Update:
- 07/15/2026 09:10:42 AM PST
Description
This item is brand-new, factory sealed.
K&N Select Oil Filter: Designed to Protect your Engine: Fits Select 1989-2020 RAM/DODGE/STERLING (Ram, 2500, 3500, 4000, 4500, 5500, D250, D350, W250, W350, Bullet 45, Bullet 55), SO-4003- LONG LIFE DESIGN: Up to 20,000 mile engine protection. Follow your manufacturers change intervals
- HIGH FILTERATION EFFICIENCY: Captures 99% of contaminate greater than 30 micron
- VERSATILE COMPATIBILITY: Designed to operate with all synthetic oil, conventional oil, high mileage and synthetic blended motor oils
- PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
- PREMIUM PERFORMANCE: Laboratory tested to ensure excellent filtration and premium quality
- Manufacturer: ?K&N Engineering, Inc.
- Brand: ?K&N
- Model: ?Oil Filter; Spin-On
- Item Weight: ?1.2 pounds
- Product Dimensions: ?3.81 x 3.81 x 6.87 inches
- Country of Origin: ?USA
- Item model number: ?SO-4003
- Exterior: ?Machined
- Manufacturer Part Number: ?SO-4003
K&N Select oil filters are engineered to offer outstanding filtration and engine protection. Each filter is specifically designed to meet or exceed the service intervals recommended by vehicle manufacturers and protected by the K&N 1-Year Limited Warranty. Up to 20,000 mile engine protection. 99% efficient, Designed for all oil types Vehicle Fitment: 2011-2020 RAM 2500; 2011-2020 RAM 3500; 2011-2018 RAM 4500; 2011-2018 RAM 5500; 1994-2010 DODGE Ram 2500; 1994-2010 DODGE Ram 3500; 2008-2010 DODGE Ram 4500; 2008-2010 DODGE Ram 5500; 2009-2010 STERLING TRUCK Bullet 45; 2009-2010 STERLING TRUCK Bullet 55; 2008 STERLING Bullet 45; 2008 STERLING Bullet 55; 2006 DODGE Ram 4000; 1989-1993 DODGE D250; 1989-1993 DODGE D350; 1989-1993 DODGE W250; 1989-1993 DODGE W350
Warranty Information
