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Moderate — 2–4 hours
Overview
This radiator features an aluminum construction and includes a transmission oil cooler. Its core dimensions are 15.6870 inches in height, 0.6250 inches in thickness, and 29.0000 inches in width. The inlet and outlet diameters are both 0.9370 inches.
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Vehicle Symptoms
- Engine temperature gauge creeping into red zone
- Transmission slipping or delayed engagement when hot
- Visible coolant leak near radiator
- Low coolant level with no external leak
- Overheating during towing or climbing steep grades
Diagnostic Codes
- P0128 – Coolant Thermostat Temp Below Regulating Temp
- P0217 – Engine Coolant Overtemperature Condition
- P0710 – Trans Fluid Temp Snsr A Ckt
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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
| Brand | Denso |
| Part Number | D00A 221-0503 |
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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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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.
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