Fast delivery within 72 Hours
Cummins 4B 3.9L, 6B 5.9L, 4B 4.5L Ring Gear, New (3903309)
โ Replace Part Number: 3903309, 3902133, CUM3903309 etc.
โ Fit for: Cummins 4B 3.9L, 6B 5.9L, 4B 4.5L engines
โ Built to OEM specs for a proper fit
โ Send us an inquiry for price
Diesel parts can vary between engine builds. If you choose not to provide an ESN or CPL, we may not be able to confirm fitment before an order is shipped. Please check the part number and engine application carefully to help avoid selecting the wrong part.
Hassle-free 30-day return policy for a risk-free shopping experience.
3 Months Warranty
Enjoy 3-month warranty, ensuring long-lasting reliability and peace of mind.
2-7 Days Fast Delivery
Receive your order within 2 to 7 days, ensuring fast and reliable delivery.
24/7 Service
Round-the-clock support to assist you whenever you need it.
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30-Day Money Back
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2-7 Days Fast Delivery
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6 Months Warranty
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24/7 Service
Product Details
When it comes to Ring Gears, why risk your engine?
Don’t let a small part turn into a major repair. We wouldn’t risk putting sub-par parts into our engines, so why should you?
4BTdiesel only sells Ring Gears that are manufactured in a state of the art facility using top of the line machining and measuring equipment to ensure each part is manufactured to OEM specifications. Combine this with up to 50% off OEM prices, an industry leading 6-month warranty and technical expertise from 4BTdiesel?s certified staff, and you?ve got a quality Ring Gear that will keep you running for another million miles.
Need a little extra proof? Let’s talk shop.
- This brand new Ring Gear has 173 Teeth and is built to OEM specifications.
- You’ll get a part that meets or exceeds OEM quality at a much lower price!
- To top it off, each ring gear is manufactured and assembled in an ISO 9001: 2008 certified facility, ensuring quality and consistency.
Contents
- (1) Ring Gear
Warranty
6-month warranty.
Specifications
| Brand | 4BTdiesel |
|---|---|
| Compatible Brand | For CUMMINS |
| Compatible Engine Brand | For CUMMINS |
| Replacement Part Number | 3902133, CUM3903309, M-3903309, M3903309 |
| Condition | New |
Shipping Spec
| Weight | 2.268 kg |
|---|---|
| Dimensions | 1.3 × 3.8 × 23.5 cm |
โ Replace Part Number: 3903309, 3902133, CUM3903309 etc.
โ Fit for: Cummins 4B 3.9L, 6B 5.9L, 4B 4.5L engines
โ Built to OEM specs for a proper fit
โ Send us an inquiry for price
Warranty
For new Cummins parts, we provide 90-day warranty. Quality is our commitment. 4BTDiesel ensures your peace of mind! For complete warranty details, please view our Warranty Policy.
Shipping
We ship worldwide and offer full expedited delivery to ensure your construction machinery back in action, fast. Check out our Shipping Policyย for more details.
Easy Return
We prioritize your satisfaction. If your order doesn't meet your expectations within 90 days, you may be eligible for a refund. See our Easy Return Policy for details.
