Part Numbers

Breakdown of how most Serpentine Belt Part Numbers work.

OEM Serpentine Belts

Example: ACDelco 6K955

This Breaks down to 3 sections. 6-K-955
The 1st Section is the amount of ribs. In this case 6 ribs.
The 2nd Section is the type of belt. K is standard serpentine.
The 3rd Section is the length of the belt down to the tenth of an inch. In this case 95.5 inches
Some Dealer Aftermarket brands like ACDelco and Motorcraft keep similar guidelines to Gates and Dayco. Others Have Part numbers that do not show size in the number.

Gates Serpentine Belts

Example: K060955

This Breaks down to 3 sections. K-06-0955
The 1st Section is the type of belt. K is standard serpentine and DK is for double sided serpentine.
The 2nd Section is the amount of ribs. In this case 6 ribs.
The 3rd Section is the length of the belt down to the tenth of an inch. In this case 95.5 inches
Stretch or ELA belts have a suffix with gates. SF. So a 6 Rib 95.5 Inch single sided stretch belt would be part number K060955SF

Dayco Serpentine Belts

Example: 5060955

This Breaks down to 3 sections. 5-06-0955
The 1st Section is the type of belt. 5 is standard serpentine, E is ELA or Stretch Belts, and 6 is for double sided serpentine.
The 2nd Section is the amount of ribs. In this case 6 ribs.
The 3rd Section is the length of the belt down to the tenth of an inch. In this case 95.5 inches

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