ATD Tools ATD-387 350pc HNBR O-Ring Assortment

The ATD Tools ATD-387 is a comprehensive 350-piece HNBR O-Ring Assortment designed for professional automotive A/C and sealing repairs. Manufactured from Hydrogenated Nitrile Butadiene Rubber (HNBR), these O-rings deliver superior resistance to heat, refrigerants, and oils commonly encountered in automotive applications. The assortment spans 34 different standard sizes, providing the versatility needed to tackle a wide range of service jobs. All pieces are organized in a durable, compartmentalized plastic storage case for easy identification and clean jobsite management.

Features

• HNBR construction provides excellent resistance to heat, refrigerants, and automotive fluids

• 350-piece assortment covering 34 standard O-ring sizes for broad application coverage

• Universal fitment suitable for a wide range of automotive A/C and sealing applications

• Organized plastic storage case with individual compartments keeps sizes separated and accessible

• Multicolor coded rings allow for quick size identification during service

Specifications

Brand: ATD Tools
Part Number: ATD-387
Material: HNBR (Hydrogenated Nitrile Butadiene Rubber)
Total Piece Count: 350
Number of Sizes: 34
Vehicle Fitment Type: Universal
Weight: 0.9 lb

Includes

10 Pc. O-Ring -002
20 Pc. O-Ring -006
20 Pc. O-Ring -008
20 Pc. O-Ring -010
20 Pc. O-Ring -012
10 Pc. O-Ring -026
10 Pc. O-Ring -028
10 Pc. O-Ring -030
10 Pc. O-Ring -032
10 Pc. O-Ring -038
10 Pc. O-Ring -040
10 Pc. O-Ring -042
10 Pc. O-Ring -043
10 Pc. O-Ring -051
10 Pc. O-Ring -052
10 Pc. O-Ring -080
10 Pc. O-Ring -170
10 Pc. O-Ring -186
10 Pc. O-Ring -187
20 Pc. O-Ring -190
10 Pc. O-Ring -191
5 Pc. O-Ring -193
5 Pc. O-Ring -194
10 Pc. O-Ring -196
10 Pc. O-Ring -197
5 Pc. O-Ring -203
5 Pc. O-Ring -206
10 Pc. O-Ring -208
5 Pc. O-Ring -215
10 Pc. O-Ring -218
5 Pc. O-Ring -230
10 Pc. O-Ring -238
5 Pc. O-Ring -240
5 Pc. O-Ring -241
1 Pc. Compartmentalized Plastic Storage Case