Purchasing 2004 GMC Sierra 2500HD
Looking at buying this 2004 GMC Sierra 2500HD LB7 Duramax/Allison
2004 GMC Sierra 2500HD
Crew cab long bed
LB7 Duramax
Allison 5-speed automatic
~185k miles
Bone stock/unmodified
4x4
Oregon truck most of its life
No blow-by (seller sent oil cap test video)
Very clean body/interior for a GMT800
Asking $13.5k
Seller says his brother-in-law owned it since around 2016. Daily drove it on/off Air Force base and drove from Oregon to Texas multiple times a year. Says it’s completely stock and never tuned/deleted
Major recent work with receipts:
Injectors replaced
Fuel pump replaced
Fuel lines replaced
Cooling system checked
Ball joints replaced
Upper ball joints replaced
Tie rods/stabilizer links/sway bushings
Rear wheel bearing/hub seals
Pinion seals
Parking brake hardware
Alignment
Transmission service
Fuel filters/oil changes consistently done
No accidents on CARFAX, Frequent oil changes/service history
Anything specific I should inspect on LB7s besides balance rates/blow-by/front end play?
Would you trust this as a long-term ownership truck?
How concerning is 185k on an LB7 if maintenance has been solid?
Any red flags you see from this history?