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CUMMINS ENGINE

Home / Products / DONGFENG POWERTRAIN / CUMMINS ENGINE / Power Steering Pump C3967429 / 3406Z36‑001 / 5254698‑01 for Cummins Engine Original Truck Spare Parts

Angle shot of Power Steering Pump C3967429 with yellow port caps for Cummins Engine heavy‑duty truck

Close‑up for spline drive shaft of Power Steering Pump C3967429 for Dongfeng Cummins diesel engine

Back housing close‑up of original Power Steering Pump C3967429 for DCEC Dongfeng Cummins engine

Power Steering Pump C3967429 / 3406Z36‑001 / 5254698‑01 for Cummins Engine Original Truck Spare Parts

This genuine Power Steering Pump C3967429 /3406Z36‑001 /5254698‑01 is a vital hydraulic steering component designed for Cummins Engine and DCEC Dongfeng Cummins diesel power systems. As reliable engine parts, this power‑assist pump adopts precision cast pump housing and internal rotor assembly to deliver consistent hydraulic pressure. It helps reduce driver steering effort for heavy‑duty commercial trucks. Every finished unit has passed hydraulic pressure and continuous running durability testing at factory. It features good anti‑wear performance under long‑haul heavy‑load driving conditions. Widely used for engine overhaul, truck repair‑shop replacement and spare‑parts stocking for overseas heavy‑duty truck fleet operators. Direct bolt‑on installation without modification required.

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Product Attributes

Attribute Name	Value
OE Part Number	C3967429, 3406Z36001, 525469801
Part Name	Power Steering Pump / Hydraulic Steering Assist Pump
Applicable Engine	Cummins Engine, DCEC Dongfeng Cummins diesel engine for heavyduty truck
Material	Cast iron pump housing, alloy rotor shaft, highprecision internal bearing, rubber sealing components
Color	Black painted housing, silver machined mounting flange, yellow plastic port protective caps
Condition	Brand new genuine original spare part
Installation Method	Bolton direct replacement
Main Function	Supply stable hydraulic pressure to provide powerassist for vehicle steering system

PRODUCT DESCRIPTION

Oblique side view of genuine Power Steering Pump C3967429 for Cummins heavy‑duty truck engine

Heavy‑Duty Power Steering Pump C3967429 For DCEC Dongfeng Cummins Diesel Engine

Original C3967429 power steering pump is key hydraulic engine part for Cummins Engine heavy‑duty trucks. It is also marked with part numbers 3406Z36‑001 and 5254698‑01. This DCEC steering pump adopts precision cast iron housing and hardened internal rotor components. It outputs steady hydraulic assist pressure, effectively lightens steering operation for drivers when the truck runs fully‑loaded. It keeps smooth steering response during long‑distance highway transportation as well as bumpy off‑road working conditions for Dongfeng Cummins powered vehicles.

Vertical rear view of original Power Steering Pump C3967429 heavy‑duty truck steering hydraulic pump

Resolve Hard Steering, Abnormal Noise & Hydraulic Pressure Loss Faults For Heavy‑Duty Trucks

A worn‑out power steering pump will bring many serious troubles: stiff and heavy steering wheel, abnormal whirring noise when turning, unstable hydraulic pressure, even steering failure risk for your heavy‑duty truck. The OEM C3967429 power steering pump serves as direct replacement spare part. After installation, it restores proper hydraulic power‑assist performance of steering system. It helps you avoid dangerous driving conditions and cut expensive maintenance cost for fleets running Dongfeng Cummins engines.

Side display photo of genuine Power Steering Pump C3967429 for Dongfeng Cummins diesel engine

Genuine Original C3967429 Steering Pump, Strict Hydraulic Durability Factory Inspection

Every power steering pump C3967429 (3406Z36‑001 /5254698‑01) strictly follows official Dongfeng Cummins drawing specifications for DCEC engines. Each finished pump goes through rigorous hydraulic pressure test, continuous cycle running test and leak‑proof inspection before shipment. The sealing rubber components are anti‑aging for extended service life. All mounting flange dimensions, spline shaft and oil port size fully match OEM specifications. Many overseas truck repair workshops and logistics fleets stock this Dongfeng Cummins spare part for regular vehicle maintenance.

Front spline shaft view of Power Steering Pump C3967429 for Cummins DCEC Dongfeng Cummins engine

Wholesale Supply C3967429 Power Steering Pump For Overseas Heavy‑Duty Truck Repair & Fleet Stocking

We supply genuine engine parts including power steering pump C3967429 /3406Z36‑001 /5254698‑01 for Cummins Engine and DCEC Dongfeng Cummins heavy‑duty truck maintenance. Shock‑resistant protective packaging is used to prevent casting damage in long‑ocean transportation. Bulk wholesale order is acceptable for overseas truck repair shops, logistics fleet spare‑parts warehouses and commercial vehicle spare‑parts distributors. If you are sourcing reliable original DCEC steering pump replacement items, please send inquiry for quotation.

TECHNICAL SUPPORT

1. Accessories selection consultation

- Provide ** intelligent selection tools ** (such as parts matching query system), input the vehicle model VIN code or engine model to match the corresponding parts number, reducing the selection error rate.

The technical team is available online 7×12 hours to answer technical questions about accessories (such as material compatibility and installation processes).

2. Customized development support

We offer specialized R&D services for special market demands (such as heat dissipation accessories for high-temperature regions in the Middle East and dedicated suspension components for road conditions in Africa), and complete sample delivery within six weeks.

3. Training and Technical materials

Provide remote/on-site training for the customer's after-sales team (such as diagnosis of electrical control accessories and DPF regeneration operation), along with multilingual versions of the "Accessories Installation Manual" and "Troubleshooting Guide".

4. Quality Traceability and Improvement

Through the QR code traceability system (one product, one code), track the production batch of accessories and the source of raw materials, respond quickly to quality complaints and initiate improvement processes.

AFTER-SALES AND LOGISTICS SUPPORT

After-sales service

Quality Assurance Policy

-The warranty period for original factory parts is 12 months (counting from the date of signature for receipt), covering material defects, process issues, and man-made damage.

- Provide "Localized Express repair Service" : Cooperate with third-party repair networks in markets such as Southeast Asia and the Middle East, and deliver emergency parts to designated repair points within 4 hours.

Return and Exchange Process

-The customer is required to submit the test report (such as a third-party appraisal) within the warranty period. After confirmation by Dongfeng, a reissue or refund will be arranged within 5 working days.

Logistics support

Warehouse Layout

-Five major regional accessory centers have been established globally (Southeast Asia, the Middle East, Africa, South America, and Europe) to achieve "next-day delivery" for mainstream accessories (covering customers within the regions).

Emergency Logistics Plan

-Emergency parts can be directly delivered within 48 hours via the "Dongfeng Exclusive Aviation Special Line" (such as engine ECU, brake valves and other key components).

Packaging Optimization

-Use shockproof and moisture-proof packaging (such as honeycomb cartons + pearl cotton), and reinforce fragile parts (such as glass, sensors), keeping the damage rate within 0.5%.