RKX Replacement PCV Valve Diaphragm McLaren 3.8L, 4.0L

RKX PCV valve replacement kit.

RKX PCV valves are regarded as the highest quality valves on the market.

Designed to replace broken / ruptured PCV diaphragms on select McLaren 3.8L and 4.0L engine applications without having to replace the entire PCV hose assembly.

Includes:

- PCV Valve
- PCV Cap

Applications: 

McLaren:

3.8L M838T,  M838TQ,  M838TE engines
4.0L M840T

MP4-12c: 2011 - 2014
MP4-12C GT3: 2011 - 2015
650S: 2014 - 2017
MSO 688 HS: 2016 - 2017
675LT: 2015 - 2017
P1: 2013 - 2015
540C: 2016 - 2021
570S: 2016 - 2021
600LT: 2018 - 2021
620R: 2020 - 2021
720S: 2017 - 2023
765LT: 2020 - 2023
750S: 2023

Known Pat numbers:

1211F1154CP, will fit other part numbers not listed!

Please visually compare your PCV valve assembly before ordering! We have not been able to physically verify every application on the compatibility table. If you are unsure please contact us!