Kent always recommends you replace the tensioner when you install a new timing chain.
Om617 timing chain tensioner.
If your timing chain.
116 123 and 126 chassis from 1978 to 1985 with 617 5 cylinder turbo diesel engines only this is a super important maintenance item for your diesel engine.
Mercedessource product fits 5 cylinder turbo engines 300dt 300cdt 300tdt 300sd fits the following.
Must be installed properly or damage can occur to the timing chain and sprockets.
Mercedes timing chain om601 om602 om603 diesel w124 w126 w140 w201 w460 g wagen t1 sprinter 1985 1996 will fit almost all om601 om602 om603 engines through 1996.
Instructions do not come with this part.
Mercedessource product turbo models only 1978 to 1985 300d 300td 300cd and 300sd brand new febi bilstein part.
Make sure to use a new chain tensioner and spring.
Remove the timing chain tensioner.
Never re use the old unit.
Depending on maintenance and oil change schedules this chain should be replaced in the 150 000 mile to 200 000 range.
Basically any where the removed link could and will fall.
A few bolts and its out.
New oe mercedes timing chain tensioner spring.