Product Overview
The Fleece Performance PowerFlo lift pump is an OEM-replacement in-tank performance lift pump for 2001-2004 Chevrolet Silverado and GMC Sierra 2500/3500 6.6L LB7 Duramax.
The in-tank assembly combines new sending-unit electronics, a new fuel-level float, an active fill bucket, and threaded outlet and return ports for compatible LB7 applications.
Key Benefits
- Direct in-tank replacement design retains the factory fuel lines and installs in the original sending-unit location.
- New sending-unit electronics and a new fuel-level float are included to help restore correct fuel-gauge operation.
- Active fill-bucket design eliminates the need for an external tank sump or draw straw.
- Pump outlet and return are threaded for compatible -8 O-ring fuel-line and filter configurations.
- Validated for use with up to 20% biodiesel.
Direct In-Tank Replacement
- Direct OEM In-Tank Replacement design retains the factory fuel lines.
- Installs in the original in-tank sending-unit location.
- Designed to install in less time than external high-flow lift-pump systems.
OEM-Quality Sending Unit
- New sending-unit electronics.
- New fuel-level float.
- Designed to restore correct fuel-gauge operation.
Active Fill Bucket
- Active fill-bucket design.
- No external tank sump required.
- No draw straw required.
- Helps avoid common quarter-tank fuel-pickup concerns.
Aftermarket Fuel-System Capability
- Pump outlet and return accept -8 O-ring fittings.
- Thread size: 3/4″-16.
- Supports compatible aftermarket fuel-line and filter configurations.
Application Notes
- Operating pressure: 6–8 PSI at idle.
- For pickup-style trucks.
- Cab-and-chassis applications require original pump-number verification.
- Not compatible with S&B replacement fuel tanks.
- Validated for use with up to 20% biodiesel.
Cross-Reference
| Product SKU | FPE-PF-GM-0104 |
|---|---|
| Fleece cross-reference number | FPE-34809 |
| GM/ACDelco reference | 89060639 |
Product Specifications
| Brand | Fleece |
|---|---|
| Product Family | PowerFlo |
| Part Type | Lift Pump |
| Application | 2001-2004 Chevrolet Silverado and GMC Sierra 2500/3500 6.6L LB7 Duramax |
| Engine | 6.6L LB7 Duramax |
| Operating Pressure | 6-8 PSI at idle |
| Outlet and Return Threads | 3/4″-16 for -8 O-ring fittings |
| UPC | 670875717527 |
| Shipping Weight | 12.00 lbs |
Interchange Numbers
- GM/ACDelco 89060639
Certification
CARB EO: D-834-20
Warranty
Installation Resources
Patent and Trademark Information
Protected under U.S. Patent No. D985632 and U.S. Trademark Registration No. 6,878,860.
Disclaimer
Verify fitment before ordering. Emissions, warranty, and installation requirements may vary by vehicle and location.
Vehicle Fitment
| Year | Make | Model | Engine |
|---|---|---|---|
| 2001-2004 | Chevrolet | Silverado 2500 | 6.6L LB7 |
| 2001-2004 | Chevrolet | Silverado 3500 | 6.6L LB7 |
| 2001-2004 | GMC | Sierra 2500 | 6.6L LB7 |
| 2001-2004 | GMC | Sierra 3500 | 6.6L LB7 |
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