Engine assembly

Engine assembly

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Cummins engine auto parts oil pan C5711816 in stocked

The Oil Pan (Part No.: C5711816) is a genuine OE component exclusively engineered for Cummins heavy-duty X15 and ISX15 engine series, widely powering long-haul tractors (Peterbilt 579, Kenworth T680), mining trucks, and large generator sets. Its core parameters—850mm length, 420mm width, 200mm depth, 15L oil capacity, and 12-bolt mounting flange—align perfectly with the engine’s cylinder block (Cummins OE 5302888) and oil pickup tube (Cummins OE 5255601). Compliant with Cummins CES 13250 standards, the pan’s flange flatness tolerance (≤0.03mm) ensures leak-tight fit, supporting direct replacement without modifying the block’s mounting surface or adjusting the oil level sensor (Cummins OE 4921776)

Product Attributes

Warranty: 1 YEARS ,Part name: oil pan C5711816

PRODUCT DESCRIPTION

01

High-Strength Structural Design: Withstanding Impact & Vibration

Built as the critical storage and protection component for engine oil, this oil pan features a reinforced structural design. The main body is precision-stamped from 3mm-thick high-strength steel (ST52-3), achieving a tensile strength of 510MPa and excellent impact resistance—withstanding 50J impact loads (e.g., from road debris or off-road jolts) without deformation. The bottom surface integrates 16 longitudinal and transverse reinforcing ribs, enhancing rigidity by 60% and reducing vibration-induced oil sloshing. The mounting flange is thickened to 8mm and reinforced with weld beads, ensuring uniform force distribution when fastened to the cylinder block—preventing flange warping that causes oil leaks

02

Optimized Oil Flow Design: Enhancing Lubrication System Efficiency

Engineered to optimize oil circulation for the X15/ISX15’s high-performance lubrication system, the oil pan features a scientifically designed internal structure. A built-in baffle plate (positioned 100mm from the oil pickup) prevents oil sloshing during extreme driving conditions (e.g., sharp turns or steep inclines), ensuring the oil pickup tube remains submerged—avoiding oil starvation to the engine’s crankshaft and bearings. The pan’s sump area is deepened to 200mm with a smooth, funnel-shaped bottom, facilitating sediment collection and efficient oil drainage via the 18mm drain plug. This design maintains a stable oil supply to the oil pump (Cummins OE 5255602), ensuring consistent lubrication pressure (200-400kPa) at all engine speeds

03

Corrosion & Wear Resistance: Durability in Harsh Environments

Optimized to resist corrosion and wear from engine oil, road contaminants, and environmental factors, the oil pan integrates multi-layer protective features. The entire surface undergoes a three-step treatment: phosphating for rust priming, electrophoretic coating (30μm thickness) for corrosion resistance, and a top coat of heat-resistant enamel (20μm thickness) that withstands 150℃ engine temperatures. This coating system passes 2000-hour neutral salt spray testing (ASTM B117) to prevent rust in coastal or saline-alkali areas. The drain plug is made of 304 stainless steel with a PTFE seal, resisting seizing and ensuring leak-tight closure even after 50+ oil change cycles. The internal surface is polished to Ra ≤1.6μm, reducing oil residue buildup and facilitating thorough drainage

04

Easy Installation & Cost-Efficiency: Optimizing Maintenance Operations

The oil pan is designed for efficient installation and long-term cost savings. Its precision-machined mounting flange and pre-drilled bolt holes (M16×2 thread) ensure quick alignment with the cylinder block, reducing installation time by 40%—two technicians can complete replacement in 2 hours. A pre-installed rubber gasket (HNBR material) with integrated sealing beads eliminates the need for liquid sealants, avoiding messy application and ensuring a leak-tight seal. By preventing oil leaks and maintaining proper oil levels, it avoids expensive engine damage (e.g., bearing failure costing up to $10,000) and reduces oil consumption by 5%. As a genuine Cummins part, it ensures compatibility with the original lubrication system, and its 2-year/250,000km warranty minimizes unplanned downtime for fleet operators

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

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

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%.