I was looking for new wheels and getting very confused about what to buy as a replacement. My factory parts manual shows the 15x8 wheel as part #843327M2 but when I search on the internet I see a variety of backspace/offset options where this part number is "interchangeable"
Here's what I measured:
- 4-5/8" to 4-11/16" from rear wheel lip to rear mounting face. Not quite 4-3/4 like I thought it would be.
- ~4-5/16" from front lip to rear mounting face.
- Hub thickness was checked with caliper as .330" or so and aligns measurements above as the difference between the two?
- Seems like the wheel offset would be the first measurement minus the second measurement where....
4-5/8" - 4-5/16" = 5/16 = .325
So I guess the offset is somewhere around 5/16?
I see listings with the following;
(1) 1/4" offset and 4-3/4" backspacing
(2) 1-1/8 offset and no other info
(3) 1-1/8 offset and 5-5/8 backspace
(4) 1-1/8 offset and 4-3/4 backspace
My gut feeling is the 1/4" offset #1 is correct...not sure what to make of the others...especially #4. What a headache...
Drew
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This post was edited by Drew.Styduhar on 06/09/2023 at 01:03 pm.
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