Koyorad Radiator – 350Z DE Manual – JR6831J
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JR6831J · Koyorad Radiator · Manual Transmission 350Z VQ35DE · Early Models
Description
Koyorad direct-fit replacement radiator for Nissan 350Z and Fairlady Z models fitted with the VQ35DE engine and six-speed manual transmission. It replaces an ageing, leaking or internally restricted original radiator while retaining the factory mounting points and hose connections.
This is the dedicated manual-transmission version and does not include automatic transmission-fluid cooler fittings. Its aluminium core and plastic end-tank construction provide an OE-style replacement suitable for standard road cars and routine cooling-system repairs.
Fitment
Nissan 350Z / Fairlady Z (Z33)
Engine: VQ35DE
Transmission: 6-Speed Manual Only
Build Range: Approximately 10/2002–11/2006
Registration Years: Commonly 2003–2006, including some early-2007 registered VQ35DE vehicles
Product Details
| Brand | Koyorad |
|---|---|
| Part Number | JR6831J |
| Product | OE-Style Radiator Assembly |
| Core Construction | Aluminium · 1 Row |
| End Tanks | Plastic |
| Core Dimensions | 729 × 400 × 16 mm |
| Inlet Diameter | 35 mm |
| Outlet Diameter | 35 mm |
| Transmission Cooler | Not Fitted · Manual-Transmission Version |
| Nissan Cross Reference | 21410-CD010 |
| Quantity Supplied | 1 Radiator |
| Condition | New |
Why Choose This Product?
- Dedicated manual-transmission configuration without unused automatic cooler fittings
- Direct-fit design using the original radiator mounts and hose locations
- OE-style aluminium-core and plastic-tank construction
- Manufactured and leak-tested by established cooling-system specialist Koyorad
Complete the Cooling-System Service
Please Check Before Ordering
This radiator is for VQ35DE models with a six-speed manual transmission only. It does not suit five-speed automatic models or later VQ35HR vehicles.
Some early-2007 registered cars were built during 2006, so confirm the engine code, build date and radiator connection layout rather than relying on registration year alone. Always refill with the correct coolant and bleed the VQ cooling system thoroughly after installation.
