SPOOLOGIC Stock Plus Performance Turbocharger

The SPOOLOGIC Stock Plus HY35W Turbocharger SL-100-081 is a performance upgrade for 2003-2004 Dodge Ram 2500 3500 trucks with the 5.9L Cummins, including 2004 trucks built through January 4, 2004. Its billet compressor wheel can deliver approximately 15-20 additional rear-wheel horsepower and 5-10 lb-ft of torque over stock, adding performance for daily driving and towing without requiring custom tuning.

Features

• Brand new, no core charge
• Direct-fit installation using factory connections
• 7+7 billet aluminum compressor wheel
• 12-blade turbine assembly
• Upgraded journal bearings, 360° thrust bearing, and step-gap seal rings
• Internally wastegated turbine housing
• Ceramic-coated turbine housing and center-section exterior
• Raw, red, or black compressor housing options
• High-speed VSR balanced

What's Included

• 1 SPOOLOGIC Turbocharger — SL-100-081
• 1 SPOOLOGIC Turbo Installation Gasket Kit — SL-310-321
• 1 SPOOLOGIC Oil Feed Line — SL-350-054
• 1 SPOOLOGIC Oil Drain Line — SL-350-064

Fitment

• 2003-2004 Dodge Ram 2500 3500 5.9L Cummins
• 2004 trucks built through January 4, 2004

For the later HE351CW configuration, see SL-100-083.

Compare Stock SL-100-080 and Stage 1 SL-100-084 for other configurations. Confirm the individual product’s fitment and hardware requirements before selecting a turbocharger.

Tuning and Supporting Modifications

Tuning is optional and is not required to use this Stock Plus turbocharger.

Power Support

Can deliver approximately 15-20 additional rear-wheel horsepower and 5-10 lb-ft of torque compared with a healthy factory turbo. Actual results depend on vehicle condition, fueling, calibration, supporting components, and test conditions.

Compressor Wheel

• Blade design: 7+7 splitter blade
• Compressor inducer: 56 mm
• Compressor exducer: 86 mm
• Material: 5-axis CNC-machined billet aluminum

Turbine Shaft

• Turbine inducer: 65 mm
• Turbine exducer: 58 mm
• Turbine blade count: 12
• Material: High-nickel Inconel

Upgraded Internals

• Upgraded journal bearings
• 360° thrust bearing
• Step-gap seal rings

High-Speed VSR Balancing

The rotating assembly is high-speed VSR balanced before shipment for smooth, consistent operation.

Wastegate Control

Boost pressure operates the wastegate actuator mechanically. This configuration does not use the later HE351CW electrical wastegate control solenoid.

Coatings and Finish Options

The turbine housing and center-section exterior are ceramic coated to help manage radiant heat and resist oxidation. Heat reduction varies with operating conditions. The finish options below apply only to the compressor housing.

• Raw: Bead-blasted satin natural aluminum; uncoated compressor housing
• Red: Gloss red powder-coated compressor housing
• Black: Gloss black powder-coated compressor housing

OEM Cross-References

• Holset / Cummins: 3593075
• Holset / Cummins: 3599810
• Holset / Cummins: 3599811
• Holset / Cummins: 4033667
• Holset / Cummins: 4033667H
• Mopar: R5086863AB

⚠️ Emissions Notice

Not CARB approved. Not legal for sale or use in the state of California.

1-Year Limited Warranty

Every SPOOLOGIC turbocharger carries a one-year limited warranty against defects in materials and workmanship from the original purchase date. Coverage applies to the original purchaser with dated proof of purchase. Contact SPOOLOGIC for return authorization before shipping the turbocharger for inspection. If inspection confirms a covered defect, SPOOLOGIC will repair or replace the turbocharger at its discretion. Coverage excludes damage caused by foreign-object debris, oil starvation, contaminated or restricted oil supply or drainage, extended oil-change intervals, overboosting, overspeed, overfueling, excessive exhaust temperatures, improper installation or startup, improper tuning or repairs, or operation outside the listed application or intended operating range. Normal cosmetic wear, coating discoloration, and heat-cycling marks are not covered. Customers pay shipping to SPOOLOGIC and return shipping, whether the claim is approved or denied. Labor, diagnostics, removal, reinstallation, towing, downtime, and other related expenses are not covered. See the SPOOLOGIC Warranty Policy for complete terms and claim procedures.