York ZB, Reciprocating compressor, Semihermetic, 4-6 Cylinders

Use this catalogue to identify the spare parts you need to repair your compressor. The OEM catalogue is crossreferenced with our spare parts database, matched items are highlighted. Some of our existing spare parts may not be shown because our database is incomplete (e.g. missing OEM P/N), or because we sell the items separatelly (typical example is the piston-connecting rod assembly). If you have any doubt please ask us.

All OEM manufacturer's names, part numbers, diagrams, products description and information are provided for reference and identification purposes only, and it is not implied that any part listed is the product of the OEM manufacturer.

Item num.	Ralco P/N	OEM P/N	Description (from OEM manufacturer)
1		665-25185	Top Head & Access Cover Plate.
2	GKT9471	028-12573	Gasket For item No. 1.
3		021-17769-000	Cap screw For Item No. 1.
4	PMP9000	026-32387	Pump, Oil.
6	GKT9082	028-12556	Gasket, Oil Pump.
7		021-17689000	Screw, Oil Pump.
8	GRF9000	022-01582	Valve Oil Charging.
9		023-00977	Seal Cap.
10	GLS9000	026-17581	Sight Glass.
11		022-03727-003	Valve, Suction Stop 1-5/8* (Z4H).
11		022-01152	Valve, Suction Stop (Z4J).
11	GRF9210	022-01393	Valve, Suction Stop 2- 1/8* (Z4K, Z4M, Z6N, Z6R).
11	GRF1019	022-01394	Valve, Suction Stop 2-5/8* (Z6R, Z6S, Z6W, Z6AE).
11		022-08851	Valve, Suction Stop 3- 1/8* (Z6W, Z6AE).
12		022-03727-002	Valve, Discharge Stop 1-3/8* (Z4H, Z4J).
12		022-03727-003	Valve, Discharge Stop 1-5/8* (Z4K, Z4M, Z6N, Z6R, Z6S, Z6W, Z6AE).
13		021-08318	Screw Z4H.
13		021-17241	Screw Z4J.
13		021-16821	Screw Z4K, Z4M, Z6N.Z6R, Z6S.
13		021-16817	Screw Z6W, Z6AE.
14		021-08318	Screw.
15		026-30599	Screen, Suction Strainer Z4H, Z4J.
15		026-30601	Screen, Suction Strainer Z4K, Z4M, Z6N, Z6R, Z6S.
15		026-30602	Screen, Suction Strainer Z6W.Z6AE.
16		028-11912	Gasket, Suction Strainer & Stop Valve Z4H, Z4J.
16	GKT9054	064-47078	Gasket, Suction Strainer & Stop Valve Z4K.Z4M,Z6N, Z6R, Z6S.
16	GKT9058	064-47079	Gasket, Suction Strainer & Stop Valve Z6AE.
17		028-11912	Gasket, Discharge Stop Valve.
18	VSG9000	022-03871	Valve, High Pressure Relief.
19		NSS	Discharge Valve Cage Assembly (See Section 2).
20		221-13824-800	Screw, Discharge Valve Cage Assembly To Compressor .
21		NSS	Suction Valve Plate Assembly (See Section 3).
22	LNR9400	065-25237	Cylinder Sleeve Z4H, Z4K, Z6N, Z6S.
22	LNR9401	065-25240	Cylinder Sleeve Z4J, Z4M, Z6R, Z6W, Z6AE.
22		065-25325	Cylinder Sleeve Z6AE.
23	RNG70077	028-11903	“O” Ring (Used on Unloading cylinders only).
23	RNG70079	028-05173	“O” Ring (Used on Unloading cylinders only) ZB6AE.
24		NSS	Piston Assembly (See Section 4).
25		NSS	Connecting Rod Assembly (See Section 5).
26		025-30478	Solenoid Valve (Less Coil).
27		025-30467	Solenoid Valve Coil (120V).
27		025-30468	Solenoid Valve Coil (120V).
28		028-12572	Gasket, Solenoid Valve To Compressor.
29		021-17767-000	Screw, Solenoid Valve To Compressor.
30		NSS	Unloader Piston Assembly (See Section 6).
31		665-25245-000	Cover, Unloader Opening (Blank).
32		025-27541	Terminal Block.
33	GKT9479	028-12574	Gasket, Terminal Block.
34		021-17768-000	Screw, Terminal Box & Terminal Block To Compressor.
35		021-05166-000	Washer, Plain .
36		021-17652-000	Washer, Lock .
37		021-14493-002	Bolt, Motor Terminal.
38		028-08959	“O” Ring.
39		221-05165-800	Washer.
40		221-03233-000	Lockwasher.
41		221-08581-800	Nut, Hex.
42	TER9010	021-14817	Screw, Overload Protector.
43		028-09347	“O” Ring.
44	WAS9011	221-01240-800	Washer.
45		025-18650	Terminal, Overload Protector.
46	WAS9010	028-09525	Washer, Phenolic.
47	WAS9012	221-01133-800	Lockwasher.
48	NUT9001	221-08661-800	Nut, Hex.
49		025-29939	Module, Motor Protector – 24V.
49		025-27522	Module, Motor Protector – 120V.
49	SEN9000	025-28722	Module, Motor Protector – 240V.
50		365-25256	Terminal Box.
51		065-25188	Cover, Terminal Box.
52		221-13784-800	Screw, Terminal Box Cover.
53		025-20944	Terminal Block.
54		025-20946	Terminal Block End.
55		025-27924	Crankcase, Heater – 120V.
55		025-27938	Crankcase, Heater – 240V.
56		025-27976-001	Spacer, Insulating.
57		364-47666-017	Top Head Overhaul Kit.
58		364-47667-009	Top Head Valve Replacement Kit.
59		365-25317	Gasket Kit, 4 Cyl..
59		365-25318	Gasket Kit, 6 Cyl..
19		665-25183-000	Discharge Valve Cage Assembly.
19A		065-25178	Cage, Discharge.
19B	SPG9209	229-15292-800	Spring.
19C	VAL9410	065-25184	Valve, Discharge.
19D	PLT9411	065-25177	Disk.
19E		021-17219	Screw.
19F		221-09610800	Nut, Locking.
21	PLT9400	665-25181-000	Suction Valve Plate Assembly.
21		665-25354-000	Suction Valve Plate Assembly Z6AE.
21A		065-25174-000	Valve Plate.
21A		065-25324-000	Valve Plate Z6AE.
21B		229-15292-000	Spring.
21C	VAL9400	065-25182-000	Valve, Suction.
21C	VAL9401	065-25321-000	Valve, Suction Z6AE.
24		665-25315	Piston Assembly Z4H, Z4K, Z6N, Z6S.
24		665-25316	Piston Assembly Z4J, Z4M, Z6R.
24		365-25353-000	Piston Assembly Z6AE.
24A	PST9400	065-25226	Piston Z4H, Z4K. Z6N, Z6S.
24A	PST9401	065-25239	Piston Z4J, Z4M, Z6R.
24A		065-25322	Piston Z6AE.
24B	SGM9400	029-20220	Compression Ring Z4H, Z4K, Z6N, Z6S.
24B	SGM9401	029-20226	Compression Ring Z4J, Z4M, Z6R.
24B		029-20901	Compression Ring Z6AE.
24C		028-20221	Expander Ring Z4H, Z4K, Z6N, Z6S.
24C		028-20227	Expander Ring Z4J, Z4M,Z6R.
24D	SGM9400	029-20222	Wiper Ring Z4H, Z4K, Z6N, Z6S.
24D	SGM9401	029-20228	Wiper Ring Z4J.Z4M.Z6R.
24D		028-20902	Wiper Ring Z6AE.
24E		029-20218	Piston Pin.
24F		029-20219	Retaining Ring .
25	ROD9400	365-25229	Connecting Rod Assembly Z4H, Z4J, Z6N.Z6R.
25	ROD9401	365-25242	Connecting Rod Assembly Z4K, Z4M, Z6S, Z6W, Z6AE.
25A	PIN9002	029-19802	Dowel Pin.
25B		021-09643	Screw.
25C	WAS9062	221-01262-800	Washer.
30		665-25186-000	Unloader Piston Assembly.
30A		065-25187	Piston.
30B		028-11905	Seal.
30C		021-17396	Screw.
30D		021-17220	Flat Washer.
30E		029-20215	Piston Ring (2 Piece).
30F		029-20216	Spring, Coil.
NI	BRG9201	02909052000	COJINETE YORK Z / MAIN BUSHING INSERT.
NI	GKT9471	02812573000	HEAD AND HANDHOLE COVER GASKET YORK Z.
NI	GKT9082	02812556000	OIL PUMP GASKET Z + PC.
NI	KIT9400	66525411000	JUEGO JUNTAS YORK Z 4 + 6 CIL A + B DESIGN / GASKET SET.
NI	PMP9400	02632387000	BOMBA ACEITE YORK Z / OIL PUMP ASSY..
NI	ROD9400X010	NA	BIELA CORTA -Z- -0.025 MM.
NI	ROD9400X020	NA	BIELA CORTA -Z- -0.50 MM.
NI	ROD9401X010	NA	BIELA LARGA -Z- - 0.25 MM.
NI	ROD9401X020	NA	BIELA LARGA -Z- - 0.50 MM.

York ZB, Reciprocating compressor, Semihermetic, 4-6 Cylinders

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