Catalogues

Bitzer W4NA, Reciprocating compressor, Open, 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/NOEM P/NDescription (from OEM manufacturer)Add
130002611housing.
231111014bearing bush; used in: violet; from year: ca. 06/96.
331111014bearing bush; used in: Crankcase side; from year: ca. 06/96.
532052205thrust washer; used in: Crankcase side.
6CKS210130100712crankshaft.
700000001article not to apply.
1230229780connecting rod / piston; used in: complete.
13ROD2100
30211750connecting rod.
1438302110clamping sleeve; DIN 7346; from year: ca. 01/96.
1538214102single coil spring washer; spring steel; from year: ca. 01/96.
1638003501hexagon head screw; from year: ca. 10/90.
1730223346piston; aluminium alloy; used in: complete.
1830221501piston; 0.
19PIN2100
38340104wrist pin.
20SNPCMIX02038223104retaining ring with lugs; spring steel DIN 472.
2138233013piston ring.
22SGM2160
38230052piston ring; ISO6622; from year: ca. 07/88.
23GKT2038
37280701gasket set; used in: bearing cover; from year: ca. 09/80.
2430512505bearing cover; used in: complete; from year: ca. 06/96.
2531111017bearing bush.
2632052207thrust washer.
27BLTCMA10X030
38030632Cheese Head Screw; DIN 912, 10.9 DIN 912, 10.9; from year: ca. 02/96.
28PMP2100
36250301oil pump; grey cast iron; used in: complete.
29RNG2019
37200119O-ring; CR.
3038015505hexagon head screw; DIN 933, 10.9.
3138033901Hexsocket Cheese Head Screw; ISO 4762, 10.9 - A2K.
3232031401fixing plate; MP54; used in: MP54.
33LCKCMG0438200201washer; brass DIN 125.
34SPGCMW438220151single coil spring washer; spring steel galvanized DIN 127.
3538050751cheese head screw; 4.8 galvanized.
3634732026differential oil pressure cut-out; MP55A 115V/230V-50/60Hz; used in: complete; from year: ca. 05/97.
3736601101T-screwed joint; DIN 2353.
38WAS2102
31203002thrust collar.
39RNG2116
37200116O-ring; CR.
5500000001article not to apply.
57SRN2101
36200109suction gas filter.
58GKT2031
37270401Gasket.
5938015605hexagon head screw; DIN 933, 10.9.
6036131606shut-off valve; brazing and welding bush.
6136532111pipe connection; steel brazing and welding bush.
6237230108gasket.
6636620119Protective Cap; Span of the jaw: 27 Plastic - GRP.
67PLU7502236611001Sealing plug; steel.
7036612402Sealing screw with magnet; inclusive O-Ring gasket; from year: ca. 11/18.
7100000001article not to apply; from year: ca. 11/18.
72SPG2108
32500001pressure spring; spring steel.
73SRO2100
36200302oil filter.
74VSG210036110501oil pressure relief valve; from year: ca. 03/91.
7536611002Sealing Plug; steel.
76GKT2029
37230112gasket.
77GLS2000
36180202sight glass; steel / glass; from year: ca. 11/82.
7800000001article not to apply.
7938015406hexagon head screw; DIN 933, 10.9.
8036611010sealing plug; steel.
81GKT2114
37241401gasket.
8230240502bottom plate; steel; from year: ca. 07/11.
83BLTCMA10X030
38015606hexagon head screw; coated DIN 933, 10.9.
90VSG200636111001gas equalising valve.
9100000001article not to apply.
92GKT2031
37270401Gasket; used in: discharge shut-off valve.
9338015605hexagon head screw; DIN 933, 10.9.
9436131605shut-off valve; brazing and welding bush.
9536532110pipe connection; steel brazing and welding bush.
9637230108gasket.
9836620119Protective Cap; Span of the jaw: 27 Plastic - GRP.
99PLU7502236611001Sealing plug; steel.
10030405208valve plate; used in: complete.
101GKT2160
37251012gasket.
102GKT2140
37261101gasket; Capacity control ''CR''; used in: valve plate.
10438005607hexagon head screw; DIN 931, 10.9.
105PLU7502236611001Sealing plug; steel.
10630236002cylinder head; Sea-water resistant.
106HED23023600130236001cylinder head; Water cooled.
10700000003not separately deliverable; used in: water-cooled.
148KIT2160_O37281002gasket set.
19034320834crankcase heater; heating capacity: 100W 230V-1-50/60Hz.
19034320832crankcase heater; heating capacity: 100W 110V-1-50/60Hz.
19034320835crankcase heater; heating capacity: 100W 380V-1-50/60Hz.
19034320830crankcase heater; heating capacity: 100W 12V-1-50/60Hz.
19034320831crankcase heater; heating capacity: 100W 24V-1-50/60Hz.
19138900201electric connector of the machine / device; DIN 43650 DIN 43650; from year: ca. 12/94.
192HTR2110
34590604heater sleeve; for 100W heater; from year: ca. 08/05.
20038039152sealing plug.
201VSG2102
36120401oil pressure relief valve.
202SEL2103
37401109shaft seal; NH3, HFC; used in: complete.
20337401005shaft seal; NH3, HFC rotating part.
205RNG5903037201001O-ring; HFC HNBR.
20638630101needle roller; from year: ca. 10/84.
20730541605shaft seal; from year: ca. 06/11.
20800000003not separately deliverable.
209GKT2112
37231201gasket; used in: sealing cover.
21038250104gasket ring; NBR felt ring; from year: ca. 11/91.
21138015507Hexagon head screw; DIN 933, 10.9.
21238410203gib-headed key; steel; used in: start menu.
21330331211pulley; Taper-lock bush grey cast iron SPA - Standard.
21438040207cheese head screw; DIN 84; from year: ca. 06/11.
21536609310Accessories kit pluck-and-socket connection; from year: ca. 06/11.
NIGKT2034
NAJUNTA CUERPO BOMBA OPEN E = 0.5 MM / GASKET OIL PUMP 182X133X0.5.
NIHTR2100
NARESISTENCIA CARTER CRANKCASE HEATER100W 220V FIT *4Z/4N +VI+VII + SBO-41+42+43* D=10X200 MM ROSCA=3/8.
NISGM2160X020
NASEGMENTO 1- COMPESION +0.50 MM D= 60 MM.
NISGM2162
NASEGMENTO COMPRESION OPEN OLD *2N.2+2T.2+4N.2+4T.2*.
NISGM2163
NASEGMENTO ENGRASE SOLO OPEN OLD *2N.2+2T.2+4T.2+4N.2* 2 MM.
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