Only the tip of the new bolt is threaded, but I'll check to see that the threads don't overlap the dimensions of the hole it goes through. I know I'm gonna have to take the air cleaner off ... not that big a deal, but the little things seem so much more strenuous when it's 20 degrees and very windy out.

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1987 300D, arctic white/palomino--314,000 miles
1978 240D 4-speed, Euro Delivery, light ivory/bamboo--370,000 miles
2005 Jeep Liberty CRD Limited, light khaki/slate--140,000 miles
2018 Chevy Cruze diesel, 6-speed manual, satin steel metallic/kalahari--19,000 miles
1982 Peugeot 505 diesel, 4-speed manual, blue/blue, 130,000 miles
1995 S320, black/parchment--34,000 miles (Dad's car)