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15710-31021 Engine Oil Cooler Assy Fit For Toyota Highlander 2008-2016 for Toyota Sienna 2007-2016 for Lexus RX350 2007-2015, Replace 15710-31021 15710-31020 1571031021 1571031020 — Open-Box, 87% Off
Brand: AotoParts
Condition: Used - Mint
$1202
$8999
-87% Save $7797
Updated: 6 days ago
Description
Reference OE Number: Engine Oil Cooler Assy replaces 1571031021 15710-31021 1571031020 15710-31020
Direct Fitment: Compatible with Lexus RX350 2007-2015 3.5L, Compatible with Toyota Sienna 2007-2016 3.5L, Compatible with Toyota Highlander 2008-2016 3.5L Strong adaptability, good versatility and interchangeability, can meet diversified needs
Durable and Reliable: Engineered for durability, our 15710-31021 Engine Oil Cooler Assy is constructed from premium steel and rigorously tested to withstand extreme conditions, including high temperatures and pressure. Its intelligent design ensures reliable operation in harsh environments while simplifying installation for seamless integration.
Protection of Engine Parts: By enhancing cooling efficiency and heat dissipation, Engine Oil Cooler Assy replaces 1571031021 helps maintain optimal engine temperatures—reducing thermal stress, minimizing part deformation, and slowing material aging. This extends component lifespan while ensuring consistent vehicle performance under demanding conditions.
Improve Transmission Efficiency: 15710-31021 Engine Oil Cooler Assy maintains the engine transmission system at optimal operating temperatures, minimizing energy loss while enhancing power output. By ensuring proper oil cooling, it improves lubrication efficiency—reducing component wear and friction for smoother, more efficient vehicle performance.
Direct Fitment:
Fit for Toyota Models:
Fit for Toyota Highlander 3.5 2008-2016
Fit for Toyota Sienna 3.5 2007-2016
Fit for Toyota Venza 3.5 2011-2015
Fit for Lexus Models:
Fit for Lexus RX350 2007-2015
Fit for Lexus RX450h 2010-2015
Replace Part Number:
15710-31020
15710-31021
Engine Oil Cooler Assembly Feature:
- Effectively reduce the oil temperature
- Ensure oil maintains optimal fluidity and lubrication effect
- High hardness
- Corrosion resistance
- High temperature resistance
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0f21pfwzl
- Model:
- 15710-31021 15710-31020 1571031021
- Country:
- US
- ASIN:
- B0F21PFWZL
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $78 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for AotoParts products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

















