Expansion Tank Cap for Audi (171121321D)

Includes: - Expansion Tank Cap

Fits Models: - Audi A4, A6, A8, Q5, Q7

Model Years: - 2000–2015

Submodels: - Common trims include Base, Premium, Premium Plus, and Prestige. Chassis codes may include B6, B7, C6, C7, and 4L. Body styles include Sedan, Avant, and SUV.

Engine Options: - Common engine sizes include 1.8L Turbo, 2.0L Turbo, 3.0L V6, and 4.2L V8. Engine codes may include BFB, BWT, and CAG.

Description: This Expansion Tank Cap is designed to fit various Audi models, ensuring a secure seal for your vehicle's cooling system. It helps maintain optimal pressure and prevents coolant loss, contributing to engine efficiency and longevity.

Features: - Direct replacement for OEM part number 171121321D - Durable construction for long-lasting performance - Easy installation with no special tools required - Compatible with a range of Audi models - Helps prevent overheating and coolant leaks

Part Number: 171121321D