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Lightweight carbon fiber cooling plate for the compatible vehicles
The Seibon CP9901NSR34 is a hand-laid 3K 2x2 twill weave carbon fiber over a fiberglass skeleton cooling plate built specifically for the compatible vehicles. The UV-resistant gloss clear coat is factory-applied and ready to install. At up to 50% lighter than the OEM steel equivalent, it reduces unsprung weight for measurable gains in acceleration, braking balance, and cornering response.
Key Features
- Improved Cooling Efficiency: Seals the gap between the radiator and the front fascia, directing all incoming airflow through the radiator core rather than around it.
- 3K 2x2 Twill Weave: Hand-laid carbon construction provides a lightweight, rigid seal panel that maintains its shape under heat cycling.
- Gloss Clear Coat Finish: UV-resistant factory finish is show-quality even in the engine bay.
- OEM Mounting Points: Mounts directly to factory radiator support or bumper beam mounting locations.
- Reduces Underhood Heat: By improving radiator efficiency, reduces overall underhood operating temperature on both street and track use.
- Seibon Fitment Guarantee: Test-fit and verified against the target vehicle before production.
Specifications
| Detail | Value |
|---|---|
| Part Number | CP9901NSR34 |
| UPC | 887753483256 |
| Material | 3K 2x2 twill weave carbon fiber |
| Finish | Gloss UV-resistant clear coat |
| Construction | Hand-laid with fiberglass skeleton |
| Weight Savings | Up to 50% lighter than OEM equivalent |
| Hardware | Uses OEM mounting hardware; not included |
| Warranty | Seibon 6-month limited clear coat warranty; fitment guarantee |
What's Included
- 1x Seibon carbon fiber radiator cooling plate
- Mounting hardware where applicable
Installation
- Allow the engine to cool completely before starting.
- Remove the front undertray or lower splash shield if needed to access the radiator lower mounting area.
- Identify the factory cooling plate or foam seal location along the radiator lower edge.
- Pre-fit the carbon cooling plate to confirm alignment with the radiator frame and bumper beam mounting points.
- Secure the plate using OEM-style push clips or supplied hardware. Torque bolts to 6-8 Nm.
- Reinstall the undertray and splash shields.
- Verify the plate seals flush against the radiator lower edge when viewed from below.
Frequently Asked Questions
What does a radiator cooling plate actually do?It seals the gap between the bottom of the radiator and the front bumper structure, preventing hot engine bay air from recirculating back through the radiator. This forces all incoming airflow through the radiator core, improving cooling efficiency , especially during track use.
Is this a performance upgrade or just a cosmetic part?Both. The cooling plate provides a measurable improvement in radiator airflow efficiency, particularly at sustained high speeds or on track. The carbon fiber construction also adds visual appeal in the engine bay.
Does installation require removing the front bumper?Typically, the cooling plate is accessible through the front undertray opening without bumper removal. Confirm for your specific vehicle.
What is the warranty?Seibon provides a fitment guarantee and a 6-month limited clear coat warranty. Under the Magnuson-Moss Warranty Act, this product does not void your vehicle's factory warranty.
Is this compatible with aftermarket front bumpers?This product is designed for the OEM front fascia. Aftermarket bumpers may alter the radiator gap geometry. Verify compatibility before purchasing.
How do I clean it?Wipe with a damp microfiber cloth. Avoid harsh engine degreasers on the carbon surface. The underside is exposed to road spray, so inspect periodically for chips.
Can I install this at home?Yes. Installation is straightforward and requires only basic hand tools. No cutting or drilling is required on most applications.
What is the difference between this and a radiator support brace?A cooling plate seals airflow gaps for improved cooling efficiency. A radiator support brace reinforces the structural mounting of the radiator. These are separate products with different functions.
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
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