bitzer 4PESP-12, 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) | Add | |
|---|---|---|---|---|---|
| 1 | KIT23120 | 37284102 | Gasket set. | ||
| 2 | BRG23100 | 31113501 | Bearing bush / Slide bearing; dimensions: Ø50 × Ø45 × 40 (Radial). | ||
| 3 | BRG23100 | 31113501 | Bearing bush / Slide bearing; dimensions: Ø50 × Ø45 × 40 (Radial). | ||
| 4 | WAS23100 | 32050010 | Thrust washer/ Slide bearing; dimensions: Ø66 × Ø48 × 1,6; used in: Motor side. | ||
| 5 | WAS23100 | 32050010 | Thrust washer/ Slide bearing; dimensions: Ø66 × Ø48 × 1,6; used in: Crankcase side. | ||
| 6 | CKS23111 | 30111703 | Eccentric shaft. | ||
| 7 | KEY23110 | 38400116 | Parallel key; dimensions: 12 × 8 × 80 (steel DIN 6885 - A); used in: Built-in motor. | ||
| 9 | 30229864 | Connecting rod / piston; dimensions: Ø65; from year: 07/2022. | |||
| 11 | 30215405 | Connecting rod; dimensions: Ø70 × Ø16 × 90; from year: 07/2022. | |||
| 17 | PIN23001 | 38340145 | Wrist pin; dimensions: Ø16 × Ø9 × 55 (DIN 73126); used in: Connecting rod / Piston. | ||
| 18 | SNPCMIX016 | 38223118 | Retaining ring with lugs; dimensions: Ø16 × 1 (DIN 472 - 16 × 1). | ||
| 19 | SGM2E065 | 38230302 | Piston ring; dimensions: Ø65 × 1,0 (ISO 6622). | ||
| 20 | SGM2E066 | 38231042 | Piston ring; dimensions: Ø65 × 1,0 (ISO 6622). | ||
| 21 | 37590901 | Washer; dimensions: Ø22,5 × Ø16,1 × 2,8. | |||
| 22 | COV23100 | 30510778 | Bearing cover. | ||
| 24 | GKT23100 | 37294902 | Gasket; dimensions: 275 × 275 × 0,38; used in: Bearing cover. | ||
| 26 | GKT23003C | 38240131 | Gasket ring; dimensions: A10 × 16 × 2 (copper); used in: Oil drain. | ||
| 27 | BLTCMA10X030 | 38030632 | Cheese-head screw; dimensions: M10 × 30 (DIN 912 - M10 × 30 - 10.9). | ||
| 29 | GKT23006A | 38240301 | Gasket ring; dimensions: A20 × 24 × 1,5 (aluminum DIN 7603); used in: Oil supply monitoring. | ||
| 30 | PLUCMA20A | 38091003 | Sealing screw; dimensions: M20×1,5 (DIN 908 - M20×1,5); used in: Oil supply monitoring. | ||
| 32 | BRG23100 | 31113501 | Bearing bush / Slide bearing; dimensions: Ø50 × Ø45 × 40 (Radial). | ||
| 36 | CWT23101 | 30292607 | Counter balance weight. | ||
| 39 | WAS23110 | 31100403 | Spacer sleeve; dimensions: Ø60 × Ø42,1 × 7,4. | ||
| 40 | 34639912 | Built-in motor; dimensions: Ø233 (40S 12,5 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); used in: Stator. | ||
| 44 | AGT2306 | 32110506 | Oil splasher plate; dimensions: Ø220 × 56. | ||
| 45 | 38030604 | Cheese-head screw; dimensions: M8 × 30 (DIN 912 - M8 × 30 - 10.9); used in: Oil centrifuge. | |||
| 46 | 38030137 | Cheese-head screw; dimensions: M8 × 12 (DIN 912 - M8 × 12 - 8.8); used in: Counter balance weight. | |||
| 47 | SPGCMW8 | 38220104 | Single-coil spring washer; dimensions: B8 (DIN 127); used in: Counter balance weight. | ||
| 54 | 30295206 | Counter balance weight; dimensions: 68,5 × 56,6 × 24,5; from year: 10/2024. | |||
| 55 | GKT41801A | 38200105 | Washer; dimensions: A17 (spring steel DIN 125); used in: Rotor. | ||
| 56 | 38016610 | Hexagon head screw; dimensions: M16 × 70 (DIN 933 - M16 × 70 - 10.9); used in: Rotor. | |||
| 76 | 00000009 | Upon request. | |||
| 80 | 34733403 | Opto-electronic unit (OLC-K1 230 V - 50/60 Hz). | |||
| 80 | 34733404 | Opto-electronic unit (OLC-K1 115 V - 50/60 Hz). | |||
| 81 | GKT23006A | 38240301 | Gasket ring; dimensions: A20 × 24 × 1,5 (aluminum DIN 7603); used in: Oil level monitoring - minimum. | ||
| 90 | GKT2039 | 37242115 | Gasket; dimensions: 163 × 118 × 1; from year: 09/2021. | ||
| 91 | TER23100 | 34550603 | Terminal plate; dimensions: 165 × 120 × 11,5. | ||
| 94 | TER23014 | 38091201 | Threaded bolt; dimensions: M10 × 80 (6-wire DIN 976 - M10 × 80); used in: Earth. | ||
| 95 | BLTCMA10X025 | 38030683 | Cheese-head screw; dimensions: M10 × 25 (DIN 912 - M10 × 25 - 10.9); used in: Terminal plate. | ||
| 96 | TER23100 | 34550701 | Terminal plate; dimensions: 165 × 120 × 10 (6-wire); used in: complete. | ||
| 100 | 36610101 | Plug; dimensions: 1/4" - 18 NPTF (brass); used in: Oil fill connection. | |||
| 102 | PLU2E200 | 36610021 | Plug; dimensions: 1/8" - 27 NPTF. | ||
| 105 | PIN2004 | 38310304 | Grooved pin; dimensions: Ø3 × 8 (steel DIN 1474 - 3 × 8); used in: Valve plate. | ||
| 106 | 36150121 | Schrader valve; dimensions: 1/8" - 27 NPTF. | |||
| 110 | TLT2901 | 38090213 | Eye bolt; dimensions: M10 (DIN 580 - M10); from year: 12/2019. | ||
| 115 | GKT1017T | 37220004 | Gasket ring; dimensions: Ø38 × Ø35 × 1,5 (1 3/4). | ||
| 116 | 36600603 | Kit pipe connection (1 3/4"-12 UN EN ISO 6708 - DN32). | |||
| 120 | 36131534 | Shut-off valve; dimensions: Ø35 (1 3/8"). | |||
| 120 | 36135394 | Shut-off valve; dimensions: Ø35 (1 3/4"). | |||
| 121 | 36620119 | Protective cap; dimensions: M24×2 // L = 57,5 (plastic - GRP). | |||
| 130 | GKT2031 | 37270401 | Gasket; dimensions: Ø31 × 1,0 (LA66); used in: Suction gas shut-off valve. | ||
| 131 | BLTCMA10X030 | 38030632 | Cheese-head screw; dimensions: M10 × 30 (DIN 912 - M10 × 30 - 10.9). | ||
| 131 | BLTCMA10X025 | 38015605 | Hexagon head screw; dimensions: M10 × 25 (DIN 933 - M10 × 25 - 10.9). | ||
| 149 | VSG23001 | 36111006 | Pressure relief valve; dimensions: 3/4" - 14 NPTF (37 bar). | ||
| 150 | 36135323 | Shut-off valve; dimensions: Ø22 (1 3/4"). | |||
| 150 | GRF2377 | 36131577 | Shut-off valve; dimensions: Ø28; used in: Discharge gas side; from year: 06/2023. | ||
| 151 | 36620119 | Protective cap; dimensions: M24×2 // L = 57,5 (plastic - GRP). | |||
| 152 | GKT1017T | 37220004 | Gasket ring; dimensions: Ø38 × Ø35 × 1,5 (1 3/4). | ||
| 153 | 36521407 | connection piece. | |||
| 158 | GKT2002 | 37270405 | Gasket; dimensions: ØI 34,5 × 1,0 (LA66). | ||
| 158 | GKT2031 | 37270401 | Gasket; dimensions: Ø31 × 1,0 (LA66). | ||
| 159 | BLTCMA10X030 | 38015606 | Hexagon head screw; dimensions: M10 × 30 (DIN 933 - M10 × 30 - 10.9); used in: Discharge gas shut-off valve. | ||
| 160 | PLT2E130 | 30406330 | Valve plate; dimensions: Ø65. | ||
| 161 | 37251515 | Gasket; dimensions: 191 × 115 × 0,9; used in: Valve plate. | |||
| 162 | GKT23150 | 37262301 | Gasket; dimensions: 191 × 115 × 0,49 (metallic support); used in: Cylinder head. | ||
| 163 | 38005621 | Hexagon head screw; dimensions: M10 × 50 (DIN 931 - M10 × 50 - 10.9); used in: Cylinder head. | |||
| 164 | HED23102 | 30236037 | Cylinder head; dimensions: 191 × 130 × 58; used in: air cooled. | ||
| 165 | 38005614 | Hexagon head screw; dimensions: M10 × 70 (DIN 931 - M10 × 70 - 10.9); used in: Cylinder head. | |||
| 166 | 38005614 | Hexagon head screw; dimensions: M10 × 70 (DIN 931 - M10 × 70 - 10.9); used in: Cylinder head. | |||
| 190 | HTR23100 | 34321904 | Oil heater (200..260 V -140 W). | ||
| 190 | 34321903 | Oil heater (100..140 V - 140 W). | |||
| 193 | 31410421 | Screwed nipple; dimensions: 1/2" - 14 NPTF × 48. | |||
| 193 | 36610321 | Plug; dimensions: 1/2" - 14 NPTF (brass). | |||
| 194 | GKT2801T | 37220001 | Gasket ring; dimensions: Ø14,3 × 1,5 (PTFE). | ||
| 195 | 36191401 | Shut-off valve; dimensions: Ø10B - 3/4"-16 UNF. | |||
| 200 | AMR23100 | 37000305 | Kit damper elements (spring); used in: Crankcase side. | ||
| 200 | 37000208 | Kit damper elements (Shore hardness 50 // elastomer). | |||
| 201 | AMR23101 | 37000307 | Kit damper elements (spring). | ||
| 201 | 37000208 | Kit damper elements (Shore hardness 50 // elastomer). | |||
| 237 | RNG1035 | 37200339 | O-ring; used in: Sight glass. | ||
| 238 | GLS23000 | 36180203 | Sight glass; dimensions: Ø60 × 7. | ||
| 239 | 38010405 | Hexagon head screw; dimensions: M6 × 18 (DIN 933 - M6 × 18 - 8.8); used in: Sight glass. | |||
| 240 | GKT23100 | 37294902 | Gasket; dimensions: 275 × 275 × 0,38; used in: Housing cover. | ||
| 241 | SRN2100 | 36200115 | Suction gas filter; dimensions: Ø30 × 78. | ||
| 242 | 30523501 | Housing cover; used in: Suction side. | |||
| 243 | 38005621 | Hexagon head screw; dimensions: M10 × 50 (DIN 931 - M10 × 50 - 10.9); used in: Housing cover. | |||
| 470 | 34702804 | Compressor protection device (24 V - 50/60 Hz). | |||
| 470 | 34702805 | Compressor protection device (24 V - DC). | |||
| 470 | SEN2101 | 34703504 | Compressor protection device (110/230 V - 50/60Hz); from year: 06/2021. | ||
| 470 | SEN2101 | 34703504 | Compressor protection device (110/230 V - 50/60Hz); from year: 06/2021. | ||
| 472 | 38040206 | Cheese-head screw; dimensions: M4 × 16 (DIN 84 - M4 × 16); used in: Compressor protection device. | |||
| 473 | BLT23154 | 38050154 | Oval head screw; dimensions: M6 × 16 (DIN 7985 - M6 × 16 - 4.8); used in: Aluminium terminal box. | ||
| 475 | TER23010 | 38110156 | Hexagon nut; dimensions: M10 (ISO 4032 - M10 - 8); used in: Earth screw. | ||
| 476 | 31101214 | Spacer sleeve; dimensions: Ø17,5 × Ø10,5 × 15; from year: 03/2021. | |||
| 477 | TER23011 | 34595003 | Recommendation sign; dimensions: M10; used in: Earth screw. | ||
| 478 | TER23021 | 38220155 | Single-coil spring washer; dimensions: A6,4 (DIN 127); used in: Earth screw. | ||
| 479 | WASCMM10 | 38200204 | Washer; dimensions: 10,5 (brass DIN 125); used in: Earth screw. | ||
| 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. | |||
| 481 | GKT23501A | 37214501 | Gasket; dimensions: 286 × 181 × 2. | ||
| 481 | GKT23005 | 37242904 | Gasket; dimensions: 360 × 290 × 2. | ||
| 484 | 34540501 | Terminal box; dimensions: 244 × 189 × 70 (aluminum). | |||
| 484 | 34352101 | Terminal box; dimensions: 244 x 189 x 85 (plastic IP66). | |||
| 490 | SEN2000 | 34702303 | Sensor (140 °C). | ||
| 491 | TER2003 | 34341301 | Kit connection bridge. |
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