Plastic tensioner pad to take up the slack in single row timing chains on A plus engines, which wears and should be replaced nearly every time you have the timing cover off.
From engine numbers 99H791/10H791 and all A Plus.
Fitted to 998 / 1100cc from 1979 and 1275GT from 1974.
Recommend: 1 x 12G2621 per Mini.
For the timing tensioner plate, see 12G2628
For the timing chain tensioner retaining pin, see 12G2629