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Heating and Cooling› Oil and Fluid Coolers

Infiniti

Transmission Oil Cooler Outlet Tube

$141.53 $99.78 Save $41.75

SKU: 21621-4HK1A

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The Infiniti oil cooler tube is a direct replacement part for your vehicle's transmission oil cooler system. It serves as the outlet from the transmission to the hose. This tube is designed for 3.0L RWD models and also for 3.0L models without AWD.
Show original supplier description
The Infiniti Oil Cooler Tube (part number 21621-4HK1A) is a genuine OEM replacement part designed to connect your transmission to the oil cooler hose, functioning as the outlet. This specific tube is engineered for Infiniti models equipped with the 3.0L engine, applicable to both Rear-Wheel Drive (RWD) configurations and models that do not feature All-Wheel Drive (AWD). This oil cooler tube is confirmed to fit various Infiniti Q50 and Q60 models from 2017 through 2024. Specifically, it is compatible with Q50 trims including Luxe, Red Sport 400, Sensory, Edition 30, Pure, and Sport, all featuring the 3.0L V6 Gas engine. For the Q60, fitment includes Luxe, Pure, Red Sport 400, and Sport trims, also with the 3.0L V6 Gas engine. As a genuine Infiniti part, it guarantees exact fitment and performance matching the original component. The product is new and comes with a manufacturer warranty of a minimum of 12 months, ensuring peace of mind for your repair or replacement needs.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandInfiniti
Part Number21621-4HK1A
CategoryHeating and Cooling
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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