Engine & Turndown Pipes for
Older School Buses

Looking for an Engine Pipe or Turndown Extension Pipe for an older School Bus? We have many old ones in stock, just follow the red arrows and see if you find yours!

When you call us, please provide chassis make, year manufactured, engine type, part number below, and the last 8 of the VIN, so that we may help you more efficiently.

Engine Pipes

Part No. JK3787 (1)

Engine pipe
Freightliner
3126 CAT engine

Part No. JK3839 (3)

Engine Pipe (4 bends)
1998 & Newer Freightliner
3126 CAT engine

Part No. JK4792 (1)

Turbo Pipe
Approx 1993 Amtran Genesis
DT466 engine

Part No. LK2207 (1)

Engine Pipe
1987 & Newer Ford
6.6L Diesel engine

Part No. LK5336 (1)

Engine Pipe (right, stainless steel)
1989-91 GM w/ catalytic converter
366 TBI engine

Part No. LK5337 (1)

Engine Pipe (left, stainless steel)
1989-91 GM w/ catalytic converter
366 TBI engine

Part No. LK5354 (1)

Engine Pipe (left)
1988-93 IH
7.3L V8 Diesel engine

Part No. LK5363 (1)

Engine Pipe (w/ flex)
1990 & Newer IH
DT-360 engine

Part No. LK5364 (1)

Engine Pipe (extension, rear section)
1990 & Newer IH

Part No. LK5739 (1)

Engine Pipe (aluminized)
Approx 1995 & Newer Ford
5.9L Cummins engine

Part No. LK5993 (2)

Engine Pipe (3-piece w/ bellows, 3")
1994-99 IH
T444E engine

Part No. LK6912 (2)

Engine Pipe (2 bends, approx 22" long)
1991-93 BB TC-2000

Part No. LK6725 (1)

Engine Pipe
BB TC-2000 w/ manual transmission
MT643 engine

Part No. LK6789 (1)

Engine Pipe (heat shield on driver's side)
1994 & Newer GM/Bluebird
3116 CAT engine

Part No. LK8531 (1)

Engine Pipe (electronic engine controls)
1998 & Newer Freightliner
5.9 Cummins engine

Part No. LK8532 (1)

Engine Pipe (electronic engine controls)
1997 & Older Freightliner
5.9 Cummins engine

Part No. LK6063 (1)

Engine Pipe
1982-91 GM (w/o turbo)
8.2N engine

This pipe measures about 24" from the center of the"Y" to the end where it is inside the flex; it has about a 45-degree bend in the end where it fits the flex.

Part No. LK6072 (1)

Engine Pipe (extension)
1980 & Newer GM (w/o turbo)
8.2N engine

Part No. LK6131 (1)

Engine Pipe (left, crossover)
1970-78 Ford
330/361/389 engines

For matched fit, this pipe should be sold with LK6091.

Part No. LK6036 (1)

Engine Pipe (left)
1975-78 GM
350 Gas engine

For matched fit, this pipe should be sold with LK6037.

Part No. LK6038 (1)

Engine Pipe (left)
1979-84 GM
350 Gas engine

For matched fit, this pipe should be sold with LK6052.

Part No. LK6048 (2)

Engine Pipe (left)
1975-78 GM
366 Gas engine

For matched fit, this pipe should be sold with LK6049.

Part No. LK6056 (1)

Engine Pipe (left, 20" from "Y" to muffler)
1979-84 GM
366 Gas engine

For matched fit, this pipe should be sold with LK6053.

Part No. LK6057 (1)

Engine Pipe (left)
1979-84 GM
366 Gas engine

This pipe measures approx 30" from the center of the "Y" to the muffler, and approx 14" from the center of the "Y" to the engine manifold

For matched fit, this pipe should be sold with LK6054.

Part No. LK6117 (1)

Engine Pipe (left)
1985-90 GM (w/single muffler)
366 Gas engine

Note: Split flange LK6345 (2-1/2" dia.) will fit this pipe where it attaches
to the front of the muffler.

Part No. LK6124 (1)

Engine Pipe (left)
1967-68 & 1975-78 GM
366 Gas engine

For matched fit, this pipe should be sold with LK6435.

Part No. LK6107 (1)

Engine Pipe (left)
1979 Ford
370 V8 Gas engine

Note: Use a 2-12" clamp between this pipe and the muffler.

Part No. LK6108 (1)

Engine Pipe (left)
1980-84 Ford
370 V8 Gas engine

Note: Use a 2-1/2" clamp between this pipe and the muffler.

Part No. LK6115 (1)

Engine Pipe (left)
1985 & Newer Ford
370/429 Gas engines

Note: Use a 2-1/2" clamp between this pipe and the muffler. Suggestion: LK6006.

Part No. LK6120

Engine Pipe (left)
1983 & Newer IHC
6.9 Liter engine

Part No. LK6140 (1)

Engine Pipe (left)
1980-87 Ford (w/o turbo)
8.2N engine

For matched fit, this pipe should be sold with LK6086 or LK6165.

Part No. LK6091 (1)

Engine Pipe (right, 'Y" shaped)
1970-78 Ford
330/361/389 engines

For matched fit, this pipe should be sold with LK6131.

Part No. LK6037 (1)

Engine Pipe (right)
1975-78 GM (manual transmission)
350 Gas engine

For matched fit, this pipe should be sold with LK6036.

Part No. LK6052 (1)

Engine Pipe (right)
1979-84 GM
350 Gas engine

For matched fit, this pipe should be sold with LK6038

Part No. LK6049 (2)

Engine Pipe (right)
1975-78 GM w/ automatic transmission
366 Gas engine

For matched fit, this pipe should be sold with LK6048.

Part No. LK6053 (1)

Engine Pipe (right)
1979-84 GM w/ manual transmission
366 Gas engine

For matched fit, this pipe should be sold with LK6056

Part No. LK6054 (1)

Engine Pipe (right)
1979-84 GM
366 Gas engine

For matched fit, this pipe should be sold with LK6057.

Part No. LK6435 (1)

Engine Pipe (right)
1975-78 GM
366 Gas engine

For matched fit, this pipe should be sold with LK6124.

Part No. LK6086 (1)

Engine Pipe (right)
1980 thru Jan 1983 Ford (w/o turbo)
8.2N engine

For matched fit, this pipe should be sold with LK6140.

Part No. LK6109 (1)

Engine Pipe (right)
1979 Ford
370 V8 Gas engine

Note: Use LK6006 or LK62f56 clamp (2-1/2") between this pipe and the muffler.

Part No. LK6116 (1)

Engine Pipe (right)
1985 & Newer Ford (stainless steel)
370/429 Gas engine

Note: Use a 2-1/2" clamp between this pipe and the muffler.

Part No. LK6089 (1)

Engine Pipe (right)
1983 & Newer IHC
6.9 & 7.3 Liter engines

Part No. LK6165 (1)

Engine Pipe (right)
Feb 1983 thru 1987 Ford (w/o turbo)
8.2N engine

For matched fit, this pipe should be sold with LK6140.

Part No. LK3846 (6)

Engine Pipe Insulation
BB TC-2000
Sold by the foot.

Turndown Pipes

Part No. LK6146 (1)

Turndown, Extension Pipe (2-3/4")
All Makes

Part No. LK6147 (2)

Turndown, Extension Pipe (3")
All Makes

Part No. LK6148 (2)

Turndown, Extension Pipe (4")
All Makes

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