DeatschWerks 9-309-1039 DW300C Dual 340 LPH Fuel Pump Kit for 09-15 Cadillac CTS

Vehicle Fitment

• 2009-2015 Cadillac CTS-V (Gen 2, Supercharged LSA 6.2 L V8, RWD)

Features

• Includes two DW300C 340 LPH compact in-tank fuel pumps for high-volume delivery
• Vehicle-specific install kit (9-1039) with clips and OEM-style hardware
• Drop-in design - retains factory level-sender and surge bucket
• Turbine impellers and carbon commutators for quiet, durable, ethanol-resistant operation
• E85 and pump-gas compatible
• PWM control compatible with modern engine management systems
• Flat flow curve - supports high rail pressure without drop-off
• Backed by a 3-year no-fault DeatschWerks warranty

Specifications

• Pumps: 2x DW300C, each delivering 340 LPH (total ~680 LPH free flow)
• Flow under pressure: ~680 LPH at 58 psi (340 LPH x 2)
• Operating pressure: up to ~90 psi (matches CTS-V system)
• Voltage: 6-18 V (nominal 12 V); fully PWM capable
• Current draw: ~12 A per pump at 40 psi
• Inlet/outlet: standard 5/16" hose barb fittings
• Housing: OEM-type POM plastic bucket with mounting clips
• Connector: spade-style terminals; install kit includes hardware

Included Components

• 2x DW300C 340 LPH compact in-tank fuel pumps
• 1x Vehicle-specific install kit (9-1039): mounting clips, hardware

Product Description

The DeatschWerks 9-309-1039 kit features dual DW300C pumps delivering a combined 680 LPH in a drop-in, factory-style housing for the 2009-2015 Cadillac CTS-V Gen 2. This robust upgrade maintains all OE features - fuel level sensor, surge bucket, returnless system - while providing the flow needed for serious builds, supporting horsepower well above stock levels.

DW's turbine impeller and carbon commutator technologies ensure quiet operation and superior durability with ethanol fuels. The pumps are PWM-compatible for modern fuel controllers and maintain steady flow at high rail pressures (up to 90 psi). The 9-1039 install kit includes all required OEM-style fittings and clips for a seamless factory-quality installation. DeatschWerks provides a 3-year no-fault warranty for peace of mind.

Fitment is officially confirmed for 2009-2015 CTS-V (Gen 2) models only. 2016+ Gen 3 CTS-V platforms are not supported by this kit. All fitment and specifications verified via DeatschWerks official product data and reputable retailers.