








⛽ Upgrade your Duramax’s heart with precision and power!
The Unifizz Diesel Fuel Injector Return Line Rail Kit is a premium replacement part designed for 2004-2010 Chevy and GMC 6.6L Duramax engines (LLY, LBZ, LMM). It ensures stable fuel injector pressure without impacting fuel tank pressure, enhancing engine performance. The kit includes all necessary connectors, O-rings, and clips, made from durable materials for reliable, long-lasting use.
| Manufacturer | Unifizz |
| Part number | Q23377A |
| Item Weight | 241 g |
| Package Dimensions | 16.5 x 12 x 4 cm; 241 g |
| Manufacturer reference | Q23377A |
| Batteries included? | No |
| Batteries Required? | No |
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3 weeks ago
3 weeks ago