bitzer 4NSL-30K, Reciprocating compressor, Semihermetic, 4 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		37284128	Gasket set.
2	BRG23100	31113502	Bearing bush / Slide bearing; dimensions: Ø50 × Ø45 × 40 (Radial); from year: 2.
3	BRG23100	31113502	Bearing bush / Slide bearing; dimensions: Ø50 × Ø45 × 40 (Radial); from year: 2.
4	WAS23100	32050010	Thrust washer/ Slide bearing; dimensions: Ø66 × Ø48 × 1,6.
5	WAS23100	32050010	Thrust washer/ Slide bearing; dimensions: Ø66 × Ø48 × 1,6.
6		30112963	Eccentric shaft; from year: 2.
7	KEY2918	38400118	Parallel key; dimensions: 12 × 8 × 100 (steel DIN 6885 - A).
9		30229879	Connecting rod / piston; dimensions: Ø70.
22		34775022	Retrofit kit oil control; from year: 2.
24	GKT23903	37294903	Gasket; dimensions: 274 × 274 × 1; from year: 2.
26	GKT23003C	38240131	Gasket ring; dimensions: A10 × 16 × 2 (copper).
27		38022802	Hexagon head screw; dimensions: M10 × 30 (ISO 4017 - M10 × 30 - 10.9); from year: 2.
29	GKT23006A	38240301	Gasket ring; dimensions: A20 × 24 × 1,5 (aluminum DIN 7603).
30	PLUCMA20A	38091003	Sealing screw; dimensions: M20×1,5 (DIN 908 - M20×1,5).
32	BRG23100	31113501	Bearing bush / Slide bearing; dimensions: Ø50 × Ø45 × 40 (Radial); from year: 2.
36		30297701	Counter balance weight.
39	WAS23111	31100402	Spacer sleeve; dimensions: Ø60 × Ø42,1 × 30,6.
40	MTR2030	34631846	Built-in motor; dimensions: Ø223 (40P 30 HP).
42	SPRCM10X12	38035801	Set screw; dimensions: M10 × 12 (DIN 916 - M10 × 12 - 10.9).
43	KEY2E110	38410105	Gib-headed key; dimensions: 5 × 5 × 36 (steel DIN 6887 - 5 × 5 × 36).
44		32110507	Oil splasher plate; dimensions: Ø212 × 48,5.
45		38034401	Cheese-head screw; dimensions: M8 × 30 (ISO 4762 - M8 × 30 - 10.9); from year: 2.
46		31800002	Cheese-head screw; dimensions: M8 × 16 (ISO 4762 - M8 × 16 - 10.9); from year: 2.
47		38215205	Washer; dimensions: Ø 13 × Ø 8,4; from year: 3.
54		30297601	Counter balance weight.
55	GKT41801A	38200105	Washer; dimensions: A17 (spring steel DIN 125).
56		38016610	Hexagon head screw; dimensions: M16 × 70 (DIN 933 - M16 × 70 - 10.9).
90	GKT2039	37242203	Gasket; dimensions: 165 × 120 × 0,488; from year: 2.
91		34550622	Terminal plate; dimensions: 165 × 120 × 15,5 (6-wire); from year: 3.
94	TER23014	38091201	Threaded bolt; dimensions: M10 × 80 (6-wire DIN 976 - M10 × 80).
95	BLTCMA10X025	38030683	Cheese-head screw; dimensions: M10 × 25 (DIN 912 - M10 × 25 - 10.9).
96	TER23100	34550701	Terminal plate; dimensions: 165 × 120 × 10 (6-wire).
100		36610121	Plug; dimensions: 1/4" - 18 NPTF (brass).
101	PLU2E200	36610021	Plug; dimensions: 1/8" - 27 NPTF.
102		36150121	Schrader valve; dimensions: 1/8" - 27 NPTF.
103		36610321	Plug; dimensions: 1/2" - 14 NPTF (brass).
110	TLT2901	38090213	Eye bolt; dimensions: M10 (DIN 580 - M10); from year: 2.
120		36131556	Shut-off valve; dimensions: Ø35; from year: 2.
121		36620602	Protective cap; dimensions: M24×2 (aluminum); from year: 2.
130	GKT2002	37270405	Gasket; dimensions: ØI 34,5 × 1,0 (LA66).
131	GKT2031	37270401	Gasket; dimensions: Ø31 × 1,0 (LA66).
132	BLTCMA10X030	38034006	Cheese-head screw; dimensions: M10 × 30 (ISO 14579 - M10 × 30 - 8.8); from year: 3.
150		36131576	Shut-off valve; dimensions: Ø28; from year: 3.
151		36620602	Protective cap; dimensions: M24×2 (aluminum); from year: 2.
157		00000001	Article cancelled; from year: 2.
158	GKT2002	37270405	Gasket; dimensions: ØI 34,5 × 1,0 (LA66); from year: 2.
159	BLTCMA10X030	38034006	Cheese-head screw; dimensions: M10 × 30 (ISO 14579 - M10 × 30 - 8.8); from year: 4.
160		30406312	Valve plate; dimensions: Ø70.
161	GKT23110	37251508	Gasket; dimensions: 191 × 115 × 1,1.
162	GKT23150	37262301	Gasket; dimensions: 191 × 115 × 0,49 (metallic support).
163		38005621	Hexagon head screw; dimensions: M10 × 50 (DIN 931 - M10 × 50 - 10.9); from year: 2.
164	HED23102	30236037	Cylinder head; dimensions: 191 × 130 × 58; from year: 2.
165		38001911	Hexagon head screw; dimensions: M10 × 70 (ISO 4014 - M10 × 70 - 10.9); from year: 2.
166		00000011	is not required for this type !.
167		00000011	is not required for this type !.
173		36110026	Pressure relief valve; dimensions: 7/16" - 20 UNF (30 bar).
174		36620114	Protective cap; dimensions: Ø28 × 35.
178	RNG2002	37203002	O-ring.
179	GKT23002C	38242102	Gasket ring; dimensions: Ø9,5 / Ø6 (copper DIN 8914).
190	HTR23100	34321904	Oil heater (200..260 V -140 W).
190		34321903	Oil heater (100..140 V - 140 W).
200		37000211	Damper element; dimensions: 35 × 55; from year: 2.
201		37000210	Kit damper elements (Shore hardness 65 // elastomer); from year: 2.
237	RNG1035	37200339	O-ring.
238	GLS23000	36180203	Sight glass; dimensions: Ø60 × 7.
239		38010405	Hexagon head screw; dimensions: M6 × 18 (DIN 933 - M6 × 18 - 8.8).
240	GKT23100	37294902	Gasket; dimensions: 275 × 275 × 0,38.
241		36200404	Suction gas filter; dimensions: Ø204.
242		30524403	Housing cover.
243		38001912	Hexagon head screw; dimensions: M10 × 140 (ISO 4014 - M10 × 140 - 10.9); from year: 2.
244		38201153	Washer; dimensions: A10,5 (steel galvanized DIN 134); from year: 2.
245		38016903	Hexagon head screw; dimensions: M10 × 22 (DIN 933 - M10 × 22 - 10.9).
470		34701903	Compressor protection device (42 V - 50/60 Hz).
470		34702805	Compressor protection device (24 V - DC); from year: 2.
470		34702804	Compressor protection device (24 V - 50/60 Hz); from year: 2.
470	SEN2101	34703504	Compressor protection device (110/230 V - 50/60Hz); from year: 2.
470	SEN2101	34703504	Compressor protection device (110/230 V - 50/60Hz); from year: 2.
472		38040206	Cheese-head screw; dimensions: M4 × 16 (DIN 84 - M4 × 16).
473	BLT23154	38050154	Oval head screw; dimensions: M6 × 16 (DIN 7985 - M6 × 16 - 4.8).
474	NUTVT001	38130106	Hexagon nut; dimensions: M10 (ISO 4032 - M10 - Ms).
475		38110902	Hexagon nut; dimensions: M5 (EN 1663 - M5 - 8).
476		31101214	Spacer sleeve; dimensions: Ø17,5 × Ø10,5 × 15; from year: 2.
477	TER23011	34595003	Recommendation sign; dimensions: M10.
478	TER23021	38220155	Single-coil spring washer; dimensions: A6,4 (DIN 127).
479	WASCMM10	38200204	Washer; dimensions: 10,5 (brass DIN 125).
480	BLT23851	38050851	Oval head screw; dimensions: M5 × 20 (DIN 7985 - M5 × 20 - 4.8); used in: Aluminium terminal box.
480		38093604	Screw; dimensions: BM4 × 24; used in: Plastic junction box.
484		34540501	Terminal box; dimensions: 244 × 189 × 70 (aluminum).
484		34352101	Terminal box; dimensions: 244 x 189 x 85 (plastic IP66); from year: 3.

bitzer 4NSL-30K, Reciprocating compressor, Semihermetic, 4 Cylinders

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