Mastercool 91339 Vehicle Air Conditioning O Ring Set.

This Mastercool 91339 O-ring set is specifically designed for automotive air conditioning systems and includes the necessary rings for both R12 and R134a refrigerants. Ensure your vehicle's A/C system is properly sealed and functioning with this professional-grade O-ring set.

Automotive R12 and R134a O-Ring Assortment (270 piece HNBR).

Replacement valve cores for valve core removers and installers.

Consists of:

91339-01: 7/32 x 1/16 (5.29 x 1.78 mm) (20 pcs)
91339-02: 1/4 x 1/16 (6.07 x 1.78 mm) (20 pcs)
91339-03: 6.8 x 1.9 mm (20 pcs)
91339-04: 5/16 x 1/16 (7.65 x 1.78 mm) (20 pcs)
91339-05: 7.8 x 1.9 mm (20 pcs)
91339-06: 8 x 2 mm (20 pcs)
91339-07: 8.8 x 1.9 mm (20 pcs)
91339-08: 7/16 x 1/16 (10.82 x 1.78 mm) (15 pcs)
91339-09: 7/16 x 3/32 (10.77 x 2.62 mm (15 pcs)
91339-10: 11 x 2 mm (15 pcs)
91339-11: 12 x 2 mm (15 pcs)
91339-12: 13.9 x 1.8 mm (10 pcs)
91339-13: 9/16 x 3/32 (13.95 x 2.62 mm) (10 pcs)
91339-14: 14 x 2 mm (10 pcs)
91339-15: 15 x 2 (10 pcs)
91339-16: 17 x 2 (10 pcs)
91339-17: 11/16 x 1/16 (17.17 x 1.78 mm) (10 pcs)
91339-18: 11/16 x 1/8 (17.04 x 3.53 mm) (10 pcs)