Description
Product Overview
The Xiaoyudou Engine Oil Cooler is engineered to maintain optimal oil temperature in heavy‑duty vehicles. Constructed from high‑quality polished aluminum, the unit offers excellent heat dissipation while resisting rust and wear. It matches the original equipment part number 4C3Z6A642A, ensuring a seamless fit without modifications. Dimensions are compact at 6.85 x 5.24 x 4.37 inches and it weighs just 2.38 pounds, making installation straightforward.
![[Product front view showing all components]](https://www.everestgo.store/wp-content/uploads/2026/06/713505494c7d49279158b354df623ccb.jpg)
Usage
Designed for towing hitches, trucks, and commercial fleets, this cooler excels in high‑load scenarios where engine oil can overheat. Install it on the engine oil line to keep temperature stable during long hauls, off‑road adventures, or heavy payloads. Its universal fit works with a range of models; always verify the year and vehicle specifications before purchase.
Why Choose Us
Xiaoyudou combines precision manufacturing with rigorous quality checks, delivering a product that meets or exceeds OEM standards. The polished aluminum finish not only looks professional but also provides superior corrosion resistance compared to standard steel coolers. Backed by a 2‑year warranty and responsive customer support, you can trust the durability and service of this cooler.
Key Features
- Polished aluminum body for excellent heat transfer and rust resistance
- Direct OEM replacement – fits 4C3Z6A642A without modifications
- Lightweight design simplifies installation and reduces overall vehicle weight
- Engineered for towing hitches and heavy‑duty applications, maintaining oil temperature under load
- 2‑year warranty and dedicated support team for peace of mind
FAQ
Does this cooler fit my 2023 Ford F‑250?
Check the vehicle’s service manual for the oil cooler part number. If it lists 4C3Z6A642A, this Xiaoyudou unit is a direct match.
Can I install the cooler myself?
Yes, the unit is designed for bolt‑on installation with standard fittings. Basic hand tools and a service guide are sufficient for most users.
What maintenance is required?
Periodically inspect the connections for leaks and clean the exterior to prevent debris buildup. The aluminum construction requires no special coating.
Is the cooler compatible with synthetic oil?
Absolutely. The cooler works with all standard engine oils, including synthetic blends, providing consistent temperature control.
What does the 2‑year warranty cover?
The warranty covers defects in materials and workmanship. If the cooler fails within two years under normal use, we will replace it at no cost.






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