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High Quality Coolant Reservoir Cap 4M0121321K for Q5L A8 Q7

Name: High Quality Coolant Reservoir Cap 4M0121321K for Q5L A8 Q7
Brand: Boigevis Trading (guangzhou) Co., Ltd.
SKU: 4M0121321K
Price: 5.07 USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: BOIGEVIS

Model Number: 4M0121321K

Payment & Shipping Terms

Minimum Order Quantity: 1

Price: 5.07USD

Packaging Details: Normal

Delivery Time: 3-7work day

Payment Terms: L/C,D/A,D/P,T/T

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Product Details

Product Description

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OE NO.:	4M0121321K	Car Model:	For Q5L A8 Q7
Item Name:	Coolant Reservoir Cap	Quality:	High Quality
Warranty:	12 Months	Size:	Standard Size
Brand:	Boigevis	Packing:	Boigevis Packing
Point Of Origin:	Guangdong, China	Shipping Way:	DHL UPS FEDEX EMS TNT

OE NO.:	4M0121321K
Car Model:	For Q5L A8 Q7
Item Name:	Coolant Reservoir Cap
Quality:	High Quality
Warranty:	12 Months
Size:	Standard Size
Brand:	Boigevis
Packing:	Boigevis Packing
Point Of Origin:	Guangdong, China
Shipping Way:	DHL UPS FEDEX EMS TNT

High Quality Coolant Reservoir Cap 4M0121321K for Q5L A8 Q7

Designed for Audi models including the Q5L, A8, and Q7, the coolant reservoir cap with part number 4M0121321K is a critical component that maintains proper pressure within the engine cooling system . By sealing the expansion tank, this cap raises the coolant's boiling point to prevent overheating and ensures stable engine temperatures for reliable performance .

Manufactured to original equipment specifications, this cap features a threaded design with a 23 PSI pressure rating and is constructed from high-strength plastic for durability . It is a direct-fit replacement compatible with a wide range of Audi models built on the MLB platform, including the Q7 (4M, 2016+), Q8, Q5 (B9, 2018+), A6 (C8), A7, and A8 (4N) . The part number 4M0121321K supersedes earlier references including 4M0121321H and 4M0121321J, and serves as a cross-reference for 4M0121321Q in some applications .

A faulty or worn cap can cause coolant loss, engine overheating, or bubbling in the reservoir. Replacing a defective unit with this premium 4M0121321K cap restores proper cooling system pressurization and reliable engine temperature regulation . Please confirm compatibility with your specific Audi model, chassis code, and production year before ordering to ensure accurate fitment.

High Quality Coolant Reservoir Cap 4M0121321K for Q5L A8 Q7

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High Quality Coolant Reservoir Cap 4M0121321K for Q5L A8 Q7

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