I recently purchased (and installed) a new gold rack dampener bolt - officially called a Adjustment Bolt at Rear of Injection Pump.

The bolt came with a Prechamber Screw Collar. Its the same gold color. Its round with threads on the outside. Its diameter is much larger than the bolt.

Are the two related for installation?

I didn't see any place obvious on the IP for it. It sounds like an engine part, but why would I get one?

Thanks

JWJ

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JWJ
1983 MB 300D - > 430,000 miles - Deep Blue - Bilstein Comforts - 0-60 in 24 seconds - 27MPG
1985 MB 300TD (wagon) - > 275,000 miles - Manila Beige - Thule rack - 0-60 in 18 seconds - 22 - 25MPG
Biodiesel, Mobil Delvac 1, and Viton fuel lines!