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FleetPro Parts

Cummins CBrake Control Valve Spring - 3871251

Cummins CBrake Control Valve Spring - 3871251

Regular price $4.99 USD
Regular price $9.86 USD Sale price $4.99 USD
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At FleetPro Parts, we specialize in supplying OEM replacement parts for heavy-duty trucks. From Freightliner and Detroit Diesel to Cummins, Mack, Volvo, and Wabco, our catalog covers the components you need to keep your fleet moving. Every part we stock is tested, reliable, and built to match OEM standards, so you can order with confidence. Our team knows truck parts inside out—from engine cooling and steering to AC systems, alternators, and fuel components. Whether you’re maintaining a single truck or managing an entire fleet, we make it easy to find the right part, at the right time. For when it matters. More about Us.

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FleetPro Truck Center Inc • 4989 Hendersonville Rd, Fletcher, NC 28732 • Phone +1 888-722-1331

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Description:

Genuine Cummins 3871251 CBrake control valve spring for heavy-duty diesel engine compression brake systems. OEM replacement valve spring engineered for dependable engine brake control, durability, and consistent braking performance.

Features:

Part#: 3871251
Brand: Cummins CBrake
Product Type: Control valve spring
Engine System: Engine control / fuel / air / oil (application-specific)
Function: Provides tension for control valve operation
Material: High-grade spring steel
Manufacturing Process: Cold-wound and heat-treated
Spring Type: Compression spring
Spring Rate: OEM-specified
Free Length: OEM-specified
Outer Diameter: OEM-specified
Inner Diameter: OEM-specified
Load Characteristics: Designed to maintain consistent force
Temperature Resistance: Suitable for high engine temperatures
Pressure Resistance: Engine system rated
Fatigue Resistance: High-cycle durability
Corrosion Protection: OEM protective finish
Installation Location: Control valve assembly
Reusability: Reusable if within OEM specifications
Fitment Type: OEM direct replacement
Engine Compatibility: Cummins diesel engines (varies by model)
Condition: New
OEM Status: Genuine Cummins part

Part #:
  • 3871251