D-clutch (4HP18, 5HP18, 5HP19) - OE is green
F-clutch (5HP19) - OE is black
E-clutch (4HP14) - OE is black
B-clutch (4HP22) - OE is black
D-clutch (6HP26, 6HP28) - OE is black

we are using the black version only - the different colours have been used by the transmission manufacturer probably in order not to mix up the o-ring with other o-rings of similar dimensions in their sub-kits. The colour has no influence on the function of the product.

4HP14, 4HP14Q - E-clutch/input shaft piston outer o-ring
4HP18, 4HP18A, 4HP18FLE, 4HP18FLA, 4HP18Q - D-clutch piston inner o-ring
4HP22, 4HP22A, 4HP24, 4HP24A, 4HP24HL - B-clutch piston outer o-ring, E-clutch piston outer o-ring
5HP18 - D-clutch piston inner o-ring
5HP19, 5HP19FL, 5H19FLA, 5HP19HL - D-clutch piston inner o-ring, E-clutch piston retainer / oil dam outer o-ring, F-clutch inner piston ring
6HP26, 6HP26A, 6HP26X, 6HP26A61, 6HP28, 6HP28A, 6HP28X - D-clutch piston retainer / oil dam outer o-ring

3 (5HP19) = 1x E-clutch, 1x D-clutch, 1x F-clutch

4HP14, 4HP14Q, 4HP18, 4HP18A, 4HP18FLE, 4HP18FLA, 4HP18Q, 4HP22, 4HP22A, 4HP24, 4HP24A, 4HP24HL, 5HP18, 5HP18A, 5HP19, 5HP19FL, 5HP19FLA, 5HP19HL, 6HP26, 6HP26A, 6HP26X, 6HP26A61, 6HP28, 6HP28A, 6HP28X