Catalogues

Bitzer 4H-25.2, 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/NOEM P/NDescription (from OEM manufacturer)Add
130002802housing; from year: ca. 10/82.
2BRG2000
31110004bearing bush; used in: Motor side.
3BRG2000
31110005bearing bush; used in: Crankcase side.
4WAS2001
32050006thrust washer; used in: Motor side.
5WAS2001
32050006thrust washer; used in: Crankcase side.
6CKS202030100707crankshaft; Stroke 55mm.
736611201sealing screw; conic DIN 906.
9PRA202030229737connecting rod / piston; complete; used in: complete; from year: ca. 01/06.
10ROD2000
30211550connecting rod.
1138302111clamping sleeve; from year: ca. 09/95.
1238214101retaining ring with lugs; spring steel DIN 6796 - FSt; from year: ca. 09/95.
1338010509hexagon head screw; DIN 933, 8.8.
1431110306bearing bush; 0; used in: connecting rod; from year: ca. 01/79.
15PST2E020
30223397piston; complete aluminium alloy; used in: complete; from year: ca. 03/10.
16PIN2000
38340106wrist pin; DIN 73126.
17SNPCMIX02038223104retaining ring with lugs; spring steel DIN 472.
18SGM2020
38230055piston ring; from year: ca. 06/88.
19SGM2021
38231022piston ring; Piston diameter 69,96mm; from year: ca. 06/88.
24GKT2036
37231403gasket; used in: bearing cover.
25HSG2000
30512503bearing cover complete; inclusive oil pump.
26VSG2008
36110101oil pressure relief valve; from year: ca. 12/81.
2938240201gasket ring; aluminium DIN 7603; from year: ca. 12/81.
30BRG2000
31110004bearing bush; from year: ca. 07/82.
31WAS2000
32050007thrust washer; used in: oil pump side.
32BLTCMA10X030
38030632Cheese Head Screw; DIN 912, 10.9 DIN 912, 10.9; used in: bearing cover; from year: ca. 08/95.
34HSG2000
30512503bearing cover complete; inclusive oil pump.
34PMP2001
36250302oil pump.
35RNG2019
37200119O-ring; CR; used in: oil pump; from year: ca. 08/95.
3638015505hexagon head screw; DIN 933, 10.9; used in: oil pump; from year: ca. 08/95.
3738033901Hexsocket Cheese Head Screw; ISO 4762, 10.9 - A2K.
3832034402fixing plate; steel.
3832031401fixing plate; MP54; used in: MP54.
39LCKCMG0438200201washer; brass DIN 125.
40SPGCMW438220151single coil spring washer; spring steel galvanized DIN 127.
4138050751cheese head screw; 4.8 galvanized.
4234731911differential oil pressure cut-out; Delta-P II 115V-230V-50/60Hz.
4234732033differential oil pressure cut-out; MP54 115V/230V-50/60Hz.
44WAS2009
31203003thrust collar.
45RNG2013
37200113O-ring; CR.
46SPG2002
32590002spring washer; from year: ca. 12/90.
4731200605ring; used in: spring washer.
48WAS2009
37402703shaft seal; used in: bearing bush; from year: ca. 09/20.
49KEY201038410201gib-headed key; steel DIN 6887; used in: Stator; from year: ca. 01/76.
51KEY204938400119parallel key; steel DIN 6885.
5432050204thrust washer; steel.
5638016605hexagon head screw; coated DIN 931, 10.9.
58SRN200232591001retaining ring with lugs; spring steel; from year: ca. 11/79.
59SRN2000
36200402suction gas filter; from year: ca. 11/79.
60GKT2011
37231503gasket; used in: housing cover; from year: ca. 07/09.
6130521801housing cover; grey cast iron.
6336611002Sealing Plug; steel; from year: ca. 04/80.
6400000001article not to apply; from year: ca. 10/87.
6538005711hexagon head screw; DIN 931, 10.9; used in: housing cover; from year: ca. 01/85.
6638005714hexagon head screw; DIN 931, 10.9; used in: housing cover; from year: ca. 01/85.
67GKT2023
37230103gasket; used in: suction shut-off valve.
7138000953hexagon head screw; 8.8 galvanized DIN 931, 8.8; used in: suction shut-off valve; from year: ca. 12/92.
72GRF250436133804Shut-Off Valve; complete; used in: suction side; from year: ca. 07/07.
7336532103Pipe Connection; brazed and welding bush steel; from year: ca. 11/96.
74GKT280237230302Gasket; used in: Pipe connection.
7536712102Clamping Plate; used in: suction shut-off valve.
76BLTCMA16X055
38010909Hexagon Head Screw; DIN 933, 8.8; used in: clamping plate; from year: ca. 11/96.
7836620122Protective Cap; Span of the jaw: 27 Plastic - GRP; from year: ca. 05/18.
7936611002Sealing Plug; steel; from year: ca. 11/96.
8236611424sealing screw with magnet; inclusive O-Ring gasket; used in: oil drain; from year: ca. 11/18.
8300000001article not to apply; from year: ca. 11/18.
8432500034pressure spring; spring steel; from year: ca. 01/89.
85SRO2000
36200301oil filter.
86VSG205036011006oil return system; from year: ca. 11/97.
8736611002Sealing Plug; steel; used in: oil fill connection.
88RNG2012
37200315O-ring; CR; used in: sight glass; from year: ca. 10/82.
89GLS2000
36180202sight glass; steel / glass; from year: ca. 10/82.
9138015406hexagon head screw; DIN 933, 10.9.
9236611010sealing plug; steel; used in: oil equalising bore; from year: ca 09/2005.
93PLU2000
36611005sealing plug; steel; used in: gas equalising bore.
94GKT2008
37241501gasket; used in: bottom plate; from year: ca. 06/22.
9532030704bottom plate; steel.
9638015605hexagon head screw; DIN 933, 10.9; used in: bottom plate.
97AMR200037000401vibration damper set; spring brown; used in: Crankcase side; from year: ca. 07/88.
9832500201damper element; spring steel brown; used in: Crankcase side; from year: ca. 07/88.
9937000402vibration damper set; spring red; used in: Motor side; from year: ca. 07/88.
10032500202damper element; spring steel red; used in: Motor side; from year: ca. 07/88.
10132730901foot.
10238015605hexagon head screw; DIN 933, 10.9.
103VSG200436111003gas equalising valve; from year: ca. 03/80.
104VSG2000
36110001pressure relief valve; 34 bar brass 35 bar.
104VSG2000
36110021pressure relief valve; 34 bar.
105GKT2031
37270401Gasket; used in: blind flange.
10636701515blind flange; steel.
107BLTCMA10X030
38015606hexagon head screw; coated DIN 933, 10.9; used in: blind flange.
108GKT2031
37270401Gasket; used in: discharge shut-off valve.
10938015605hexagon head screw; DIN 933, 10.9; used in: discharge shut-off valve.
110GRF201036131007shut-off valve; brazing and welding bush; used in: Discharge side.
11336600006pipe connection; steel copper-plated brazed connection; used in: discharge shut-off valve.
114GKT1017T
37220004gasket; teflon; used in: Pipe connection.
11636620119Protective Cap; Span of the jaw: 27 Plastic - GRP.
11736620201sealing nut.
118PLU7502236611001Sealing plug; steel.
119PLT2020
30405102valve plate; complete; used in: complete.
120GKT2020
37251109gasket; from year: ca. 09/87.
121GKT2050
37261603gasket; Retall; from year: ca. 09/04.
122HED200030236022cylinder head; used in: air-cooled; from year: ca. 04/05.
123BLTCMA10X06038005603hexagon head screw; DIN 931, 10.9.
12530236003cylinder head; Water cooled; used in: water-cooled.
125HED201130236004cylinder head; Sea-water resistant; used in: seawater resistant.
126HED201030232605cylinder head; Water cooled; used in: water-cooled.
126HED201130236004cylinder head; Sea-water resistant; used in: seawater resistant.
12738039155sealing screw; conic brass.
13138304205Parallel Pin; from year: ca. 05/23.
132SPRCM10X1238035801Set screw; coated DIN 916; from year: ca. 03/95.
134TER2000
34341602terminal plate kit; used in: complete.
135GKT2039
37242115gasket; from year: ca. 09/21.
13630490001terminal plate.
13834341707connection to ground, complete; complete; used in: grounding; from year: ca. 09/89.
139GKT2140137212403gasket; only needed for terminal box IP66.
14037500203insulating plate.
14137500103pressure bush.
14237500003gasket ring.
14338204203washer; copper.
14438130105hexagon nut; brass.
14538200202washer; brass DIN 125.
14638130103hexagon nut; brass.
147SPGCMW8
38215201thrust washer; DIN 127 DIN 127; from year: ca. 01/08.
14800000001article not to apply; from year: ca. 06/11.
14930291502cable connector; brass; from year: ca. 03/05.
15032031803connection bridge; brass.
151TER2108
34341408terminal plate kit; complete; used in: complete.
15200000007Ref. no. no more available.
15337500201insulating plate.
15437500101pressure bush.
15537500001gasket ring.
15600000001article not to apply; from year: ca. 06/11.
15700000001article not to apply; from year: ca. 06/11.
15800000001article not to apply; from year: ca. 06/11.
15934592306insulating plate; from year: ca. 06/11.
160TER200334341301conversion kit.
161BLTCMA10X02038030689cheese head screw; 10.9 galvanized DIN 912, 10.9; from year: ca. 06/01.
162PLC20132120201centering plate; steel.
163GKT2090
37212001gasket.
164BOX200134351711terminal box; with cover aluminium IP66.
166BLT2385138050851Cheese head screw; galvanized DIN 7985, 4.8; from year: ca. 12/93.
16730591445cover; black.
168SEN2101
34703504protection device; SE-B3 110V/230V-50/60Hz; from year: ca. 06/21.
168SEN2101
34703504protection device; SE-B3 110V/230V-50/60Hz; from year: ca. 06/21.
16834702805protection device; SE-B2 24V-DC.
16834702804protection device; SE-B2 24V-50/60Hz.
16938050752Cross Recessed Raised Screw; 4.8 galvanized; from year: ca. 12/10.
170BLT2315438050154Oval head screw; galvanized DIN 7985, 4.8; from year: ca. 12/93.
171KIT2000
37281106gasket set.
172MTR202534630646built-in motor; complete 16 kW, 4-pole 380..420V Y/YY-3-50Hz, 440..480V Y/YY-3-60Hz; used in: complete; from year: ca. 12/77.
175GKT2140137212401gasket; used in: terminal box aluminium.
17637213802gasket; used in: terminal box aluminium.
19034321310crankcase heater; heating capacity: 140W 24V-1-50/60Hz.
190HTR2000
34321312crankcase heater; heating capacity: 140W 230V-1-50/60Hz.
19034321311crankcase heater; heating capacity: 140W 110V-1-50/60Hz.
19138900201electric connector of the machine / device; DIN 43650 DIN 43650; used in: capacity control; from year: ca. 01/95.
192HTR2001
34590602heater sleeve; for 140W heater; from year: ca. 02/94.
NIBRG2000X010
NACOJINETE BITZER - 0.25MM / BEARING UNDERSIZE 010 44.75 MM.
NIBRG2000X020
NACOJINETE - 0.50 MM 44.50 MM.
NIGKT2025
NAJUNTA GRIFO ASPIRACION EXTERNA FIT*4G20+6F50+6H.F* /GASKET SUCTION PORT EXTERNAL.
NIHED2001NACULATA PARCIALIZADA COMPLETA CON SOLENOIDE *CR* *4H+6F.2* / HEAD CAPACITY REGULATOR 220 V N-250.
NIPIN2009
NABULON LAMINA ASPIRACION BITZER *M+J+H+G+F.2* / SUCTION VALVE PIN 2.52X8.2.
NIPST2020
30223305PISTON + BULON *H* / PISTON + PIN 20X56 69.8X18X47 MM.
NIPST2020X020
NAPISTON + BULON *H* SOBREMEDIDA / PISTON + PIN +0.50 MM OVERSIZE 020".
NIPST2020X030NAPISTON + BULON *H* SOBREMEDIDA + 0.75 MM / PISTON + PIN +0.75 MM OVERSIZE 030".
NIROD2000X010
NABIELA BITZER SOBREMEDIDA - 0.25 MM / CON. ROD UNDERSIZE 010.
NIROD2000X020
NABIELA BITZER SOBREMEDIDA - 0.5 MM / CONN. ROD UNDERSIZE 020.
NIROD2000X040NABIELA BITZER SOBREMEDIDA - 1.0 MM / CONN. ROD UNDERSIZE 040.
NIRTR2000
NASUJECION LAMINA DESCARGA BITZER *M+J+H+G+F* / DISCHARGE VALVE RETAINER PLATE.
NISGM2020X020
NASEGMENTO 1º COMPRESION *H* + 0.50 MM / CROMATED PISTON RING BITZER *H* OVERSIZE 020.
NISGM2020X030NASEGMENTO 1º COMPRESION *H* + 0.75 MM / CROMATED PISTON RING BITZER *H* OVERSIZE 030.
NISGM2021X020
NASEGMENTO 2º COMPRESION *H* + 0.50 MM / 2º PISTON RING BITZER *H* OVERSIZE 020.
NISGM2021X030NASEGMENTO 2º COMPRESION *H* + 0.75 MM / 2º PISTON RING BITZER *H* OVERSIZE 030.
NISPG2010
NAFLEJE LAMINA DESCARGA NUEVO *M+J+H+G+F.2* + *4DC+4CC* / SPRING DISCHARGE VALVE 43.5X16X0.29 NEW STYLE.
NISPG2020
NAFLEJE VALVULA ASPIRACION *J+M+H* / SUCTION REED CLIP RETAINER 21X7.5X0.2 NO P/N.
NISRN2001
NAFILTRO ASPIRACION SUELTO BITZER SEMIHERMETICO / SUCTION DISC FILTER ALONE.
NIVAL2010
NAVALVULA DESCARGA BITZER *M+J+H+G+F.2* NUEVA / DISCHARGE VALVE REED NEW 43.5X16X0.3.
NIVAL2011
NALAMINA VALVULA DESCARGA *M+J+H+G+F* ANTIGUA / DISCHARGE VALVE REED 50X16.5X0.3 OLD DESIGN.
NIVAL2020
NALAMINA VALVULA ASPIRACION *M+J+H.2* NEW / SUCTION VALVE 82X19X0.59.
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