Re: I think yours should measure 12.12" X 2"

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Posted by Mark in Santa Cruz [] on Wednesday, May 12, 2021 at 11:43:32 :

In Reply to: I think yours should measure 12.12" X 2" posted by bucky [] on Tuesday, May 11, 2021 at 20:11:58 :

I think you are correct about 1971 D200 and W200 having the same brake drum, part no. 2516422, for all four wheels according to my parts manual linked below.

However, the description vague. It reads: "8 Stud 12 1/8 x 2 brake". I took the 12 1/8 x 2 to refer to dimension of the brake pad not the brake drum, but I could be wrong.

My brake pads measure 13inx2in. My brake drum depth measures 2.5in.

Below is the Raybestos interchange site. The original Chrysler part number 2516422 and the number on my drum 212170-C (which I believe is a casting number) both interchange to Raybestos part number 2949.

Here is the part description from Raybestos which also show a brake drum depth of 2.5 in.

Part Number: 2949

Part Description: Brake Drum

Sub-Brand: R-Line

Grade Description: Better

Brake Drum Depth: 2.500 in / 63.500 mm

Brake Drum Diameter, Nominal ID: 12.180 mm / 0.480 in

Brake Drum Diameter, Outside: 13.730 mm / 0.541 in

Brake Drum Thickness, Nominal: 12.180 mm / 0.480 in

Brake Drum Type: Conventional

Height, Overall: 3.280 in / 83.312 mm

Packaged Weight: 19.4000 lb

Wheel Bolt Circle Diameter: 6.500 in / 165.100 mm

Wheel Bolt Hole Diameter, Maximum: 0.640 in / 16.256 mm

Wheel Bolt Hole Diameter, Minimum: 0.632 in / 16.053 mm

Wheel Bolt Holes, Primary: 8

Country of Origin: US

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