OEM filter on my ‘21 3.0 duramax. Manual recommends 30k but I’ve been doing 20k changes since new. Sorry for blurry pic. Didn’t check before I tossed it
I’ve seen pics posted in other groups that look much worse, but mine have always looked like this. I’ve used a fuel additive pretty much from new. Kroger diesel since about 10k miles (71k now)
I’ve seen pics posted in other groups that look much worse, but mine have always looked like this. I’ve used a fuel additive pretty much from new. Kroger diesel since about 10k miles (71k now)