Thermostat & Water Pump Replacement Kit (RRP Aluminum)

EA888 Gen 3 & Gen 4 – VW / Audi / SEAT / Skoda 1.8T & 2.0T

Why Upgrade?

The factory thermostat housing is a known weak point on EA888 engines, with coolant leaks and housing failures commonly reported across VW and Audi platforms.

Our upgraded aluminum design offers:

• Full aluminum construction
• Increased resistance to heat cycling
• Improved durability over OEM plastic housings
• Reduced risk of cracking and coolant leaks
• Direct-fit replacement
• Ideal for tuned and performance applications

This Kit contains all parts you will need to professionally replace your water pump and other components that may fail soon if not already. 

Kit Includes:

• (1) 06L-121-111-RRP - Road Rage Performance MQB All Metal Thermostat Housing & Water Pump Assembly (Road Rage Performance)
• (1) 06K121605C - Water Pump Belt - VW Gen3 1.8T & 2.0T (VW/Audi)
• (1) WHT001163B - Water Pump Pulley Bolt - VW/Audi 2.0T TSi & Gen3 1.8T / 2.0T (VW/Audi)

Replaces OEM Part Numbers

Water Pump Belt

06K-121-605-C / 06K121605 C / 06K 121 605 C / 06K121605C

06K-121-605 / 06K 121 605 / 06K121605

6K1-216-05C / 6K1 216 05C / 6K121605C 

MFR # TB923


Water Pump Housing

06L-121-111-N / 06L121111 N / 06L 121 111 N / 06L121111N

06L-121-111-P / 06L121111 P / 06L 121 111 P / 06L121111P

06L-121-111-M / 06L121111 M / 06L 121 111 M / 06L121111M

06L-121-111-G  / 06L121111 G  / 06L 121 111 G  / 06L121111G 

06L-121-111-F  / 06L121111 F  / 06L 121 111 F  / 06L121111F 

06L-121-111-H  / 06L121111 H  / 06L 121 111 H  / 06L121111H 

06L-121-111-J  / 06L121111 J  / 06L 121 111 J  / 06L121111J 

06L-121-111-K  / 06L121111 K  / 06L 121 111 K  / 06L121111K 

06L-121-111-L  / 06L121111 L  / 06L 121 111 L  / 06L121111L 


Water Pump

06K-121-011-C / 06K121011 C / 06K 121 011 C / 06K121011C

06K-121-011-B / 06K121011 B / 06K 121 011 B / 06K121011B 

6K1-210-11C / 6K1 210 11C / 6K121011C


Water Pump Pulley Bolt

WHT-001-163-B / WHT001163 B / WHT 001 163 B


Water Pump Union

06L-121-131 / 06L 121 131 / 06L121131

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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