2011-2016 Chevy/GMC 6.6L Duramax LML Fuel Return Line Assembly | Bosch 0445130020 New (GM 12639000)
This is the Bosch 0 445 130 020, a new fuel return line assembly for the 2011 to 2016 Chevy and GMC 6.6L Duramax LML. It replaces GM 12639000 and 12633835.
GM bulletin 16-NA-102 lists the fuel return hose 12639000 among the parts to replace, with the high-pressure pump, the injectors and the fuel rails, when metal debris is found after a CP4 pump failure. Bosch’s Duramax guide lists this Bosch number for GM 12639000.
Alliant’s page names the Silverado and Sierra 2500 HD and 3500 HD, 2011 to 2016, and the LGH engine, and shows the remanufactured LML and LGH injectors as related parts.
Confirm Fitment Before You Order
Bosch and GM list this line for the 2011 to 2016 6.6L Duramax LML. Send us your VIN or engine serial number before you order. Call 530-668-0818 and we will confirm the exact match at no charge before anything ships.
Specifications
| Part number | 0 445 130 020 |
| Brand | Bosch |
| Condition | New, genuine, in original packaging |
| Warranty | Bosch limited warranty, parts only. Call us and we handle the claim. |
| Type | Fuel return line assembly |
| Engine | 6.6L Duramax LML (Alliant also names the LGH) |
| Model years | 2011 to 2016 |
| Replaces GM | 12639000, 12633835 |
| Trucks | Silverado and Sierra 2500 HD and 3500 HD, as Alliant lists them |
| Shipping weight | 0.8 lb |
Fits / Applications
- Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD, 6.6L Duramax LML, 2011 to 2016
- 6.6L Duramax LGH, 2011 to 2016, as Alliant names it
Follow the workshop manual for your engine when you fit this part.
Part Numbers & Cross Reference
Bosch 0 445 130 020 · GM 12639000 · GM 12633835
Cross-reference numbers can change with engine serial, build year and emissions tier, so treat this list as a starting point. Send us your engine serial number and we will confirm the exact match against your build before anything ships. That check is free and takes a few minutes.
Frequently Asked Questions
When is it replaced?
GM bulletin 16-NA-102 lists it, with the pump, injectors and rails, for the repair when metal debris is found after a CP4 pump failure.
Will it fit my truck?
Bosch lists it for the 2011 to 2016 6.6L Duramax LML. Call 530-668-0818 with your VIN and we will confirm it.
Related Parts
- 2011-2016 Chevy/GMC 6.6L Duramax LML Remanufactured CP4 Injection Pump | Bosch 0986437421
- 2011-2016 Chevy/GMC 6.6L Duramax LML Fuel Injector | Bosch 0986435410 | Genuine Bosch Remanufactured
- 2011-2016 Chevy/GMC 6.6L Duramax LML Right (Passenger) Fuel Rail | Bosch F00RL00591 New
- 2011-2016 Chevy/GMC 6.6L Duramax LML Left (Driver) Fuel Rail with Sensor | Bosch F00RL01027 New
- 2011-2016 Chevy/GMC 6.6L Duramax LML Common-Rail Fuel Injector | Bosch 0445117010 New
- 2011-2016 Chevy/GMC 6.6L Duramax LML & LGH Aftertreatment Fuel Injector | Alliant Power AP63592 New
Why Buy From Valley Fuel Injection
We are a diesel fuel-injection and turbocharger shop in Woodland, CA, rebuilding pumps, injectors and turbos on our own benches since 1993, not a drop-ship storefront. Call us with your engine serial, VIN or build date before you order and we will help you confirm fitment, so the right part arrives the first time.
UPS to all 50 states, including Alaska and Hawaii. Your rate shows at checkout. Questions on fitment? Call 530-668-0818.
Pricing covers the unit itself. Any applicable sales tax is additional; shipping is calculated at checkout. Buying tax-exempt? Qualifying diesel repair shops, fleets, farms, and agricultural operations can purchase tax-free. Set up tax-exempt purchasing once and every qualifying order is tax-free going forward.
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