Ariel	Cooper	Gardner Denver
Ingersoll Rand	White Superior	Worthington
Chicago Pneumatic & Energy Industries

Compressor Make	Piston Description	Part Number
Ariel	2 1/2" Cast Iron	B-111
	2 3/4" Cast Iron	B-164
	3 5/8" Cast Iron	B-21
	4 5/8" Cast Iron	B-493
	5 7/8" Cast Iron	C-1010
	6 3/8" Cast Iron	C-602
	6 1/2" Cast Iron	C-204
	7 1/8" Aluminum	C-64
	8 1/2" Cast Iron	C-213
	11" Cast Iron	C-595
	11 1/2" Aluminum	C-596
	13" Cast Iron	C-520
	13 1/2" Cast Iron	C-380
	14 1/8" Aluminum	C-1079
Cooper	4 1/2" Cast Iron	CB-105-CA
	5 1/2" Cast Iron	CB-7-1A#8
	10" Aluminum	CDA-7-2B#45
	11 1/2" Aluminum	900-999-001
	16 1/4" Aluminum	CF-105-10A#4
	21" Aluminum	901-905-007
	26 3/8" Aluminum	CJ-105-5A#1
Gardner Denver	6" Cast Iron	MLE70P006
	6 1/2" Aluminum	350844
	8" Aluminum	2011532
	10" Aluminum	2011547
	12" Aluminum	2011539
	12" Aluminum	MLE70X039
Ingersoll Rand	3" Aluminum	CEW26141AP1
	6" Cast Iron	R42183
	7" Cast Iron	16R2520
	8" Cast Iron	R71982
	9 1/8" Cast Iron	IR HO-25-005
	9 3/4" Aluminum	ALW13559
	11 1/2" Cast Iron	R50622
	11 1/2" Aluminum	R42582
	13 7/8" Aluminum	ESH-1-14-X11
	15" Aluminum	1H34704P10
	17" Aluminum	1H57864Y
	23" Aluminum	R14376
White Superior	5 1/2" Cast Iron	YC-934-356
	5 3/4" Cast Iron	YC-934-354
	6 1/2" Cast Iron	YC-938-628
	7 1/2" Cast Iron	939-142-016
	8 1/4" Aluminum	600-218-002
	9" Aluminum	903-653-001
	10 1/4" Cast Iron	YC-938-716
	10 1/4" Aluminum	YC-938-874
	11" Aluminum	600-219-001
	11 1/2" Aluminum	YC-938-763
	12" Aluminum	YC-935-771
	12 1/2" Aluminum	YC-902-468/469
	12 1/2" Aluminum	YC-938-775
	13 1/2" Aluminum	600-168-001
	15" Aluminum	YC-938-795
	17" Aluminum	YC-938-801
	17 1/2" Aluminum	938-996-005/006
	20" Aluminum	938-994-001/002
Worthington	4" Cast Iron	220405CE
	5 1/4" Cast Iron	220405EM
	6 1/2" Cast Iron	220607JW
	7 1/2" Cast Iron	220794AN
	9 1/4" Aluminum	221079CB
	10" Aluminum	221076C72
	12" Aluminum	221205RG
Chicago Pneumatic & Energy Industries	3 1/2" Cast Iron	2-029407
	4 1/2" Cast Iron	1-029408
	5 1/4" Cast Iron	2-010834
	5 1/2" Cast Iron	4-102141
	5 1/2" Cast Iron	1-026796
	5 3/4" Cast Iron	2-027033
	6" Cast Iron	3-026170
	6 1/4" Cast Iron	2-027350
	6 1/4" Cast Iron	4-027033
	7" Aluminum	1-027081
	7 1/2" Aluminum	6-010829
	7 1/2" Aluminum	6-010830
	7 3/4" Aluminum	3-026171
	8 1/2" Aluminum	1-102348
	8 1/2" Aluminum	1-027032
	8 3/4" Aluminum	1-010829
	9" Aluminum	2-102348
	9 1/2" Aluminum	2-102142/2-102138
	10" Aluminum	3-030013
	10 1/2" Aluminum	2-026910/2-026370
	10 1/2" Aluminum	1-011326
	11 1/4" Aluminum	4-102368/4-102369
	11 1/2" Aluminum	5-011319
	13" Aluminum	3-102393/3-102394
	13 1/2" Aluminum	4-026912/4-026372
	14" Aluminum	1-029345/1-029343
	18 1/2" Aluminum	1-029726
	20" Aluminum	1-029226/1-029279