Rear trailing arms
- 1303 stock: 7.37 kg incl bump-stop, no rubber inner bushing incl wheelbearing
- 944 type 1 (< 1986): Steel, ?? kg
- L: 944.331.021.00
- R: 944.331.022.00
- 944 type 2 (>= 1986-1989): Alu with bumpstop, no ABS hole, ?? kg
- L: 951.331.021.01: Actual numbers on arm 951.331.513.00 $ 0056-1 86 951.331.513.0R:
- R: 951.331.022.01: Actual numbers on arm 951.331.514.00 $ 0056-1 86 951.331.514.0R:
- 944 type 2 (1987-1989) M030: Alu, ?? kg. Difference?
- L: 951.331.021.31
- R: 951.331.022.31
- 944 type 2 (1987-1989) M030/M593 & >= 1990
- L: 951.331.021.32
- L: 951.331.022.32
Actual numbers on trailing arm:
- 951.331.513.05 $ 0056-2 89 951.331.514.4R: Alu without bumpstop, with ABS hole, CIR clip bearing retainer
- 1987 Turbo: 951.331.513.06 SWW 3 2 87 951.331.513 1R: Alu with bumpstop, no ABS hole
- 951.331.513.07 SWW 16 7 88 951.331.513.1R: Alu with bumpstop, with ABS hole, CIR clip bearing retainer
- 968: 951.331.513.08 SSW 951.331.513.8R: Alu without bumpstop, with ABS hole, 2x 964.331.199.02 bearing retainer