bitzer HSKC7451-70, Screw compressor, Semihermetic

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		37282801	Gasket set.
2		30257512	Female rotor (serial number required only available together with male rotor).
3		30257415	Male rotor (serial number required only available together with female rotor).
4	WAS2804	38224204	Snap ring; dimensions: Ø37,8 × 2,3 × 1,5 (steel).
5		00000007	Article no longer available; used in: 2.
6	KEY2874	38400133	Parallel key; dimensions: 12 × 8 × 205 (steel DIN 6885 - A).
8	UNL2805	31426001	Piston; dimensions: Ø44 × 60 (capacity control); used in: 2.
9	PINCMC12X40	38301107	Parallel pin; dimensions: Ø12 × 40 (steel ISO 8735 - 12 × 40).
10		00000001	Article cancelled; used in: 2.
11		00000001	Article cancelled; used in: 2.
12	WAS2811	31301211	Spacer washer; dimensions: Ø80 × 13.
13	WAS2810	31301210	Spacer washer; dimensions: Ø100 × 15.
14	BRG2817	38620017	Cylindrical roller bearing; dimensions: Ø35 × Ø80 × 31 (DIN 5412 - NU 2307 E).
15	BRG2802	38620002	Cylindrical roller bearing; dimensions: Ø55 × Ø100 × 25 (DIN 5412 - NU 2211 E).
16	BRG2807	38610007	Angular ball bearing; dimensions: Ø35 × Ø80 × 21 (DIN 628 - 7307B).
17	BRG2811	38610011	Angular ball bearing; dimensions: Ø50 × Ø110 × 27 (DIN 628 - 7310B).
18	BRG2875	38660102	Roller bearing unit (complete // kit = 9 pieces).
20	LCKCMKM07	38190202	Grooved nut; dimensions: M35×1,5 (steel).
21	LCKCMKM10	38190206	Grooved nut; dimensions: M50×1,5 (steel).
22	RTN28014	37410014	Piston ring; dimensions: Ø56,5 × 3,4; from year: 2.
23	RTN28013	37410013	Piston ring; dimensions: Ø71 × 3,9; from year: 3.
56	VSG2800	36110605	Pressure relief valve; dimensions: Ø45,6 × 70 (28 bar); used in: 2.
57	RNG59030	37200110	O-ring (CR).
40	MTR2870	34665543	Built-in motor; dimensions: Ø257 (40P 70 HP).
41	BLT45059	38030627	Cheese-head screw; dimensions: M10 × 70 (DIN 912 - M10 × 70 - 10.9).
42		31401504	Pressure piece; dimensions: Ø32 × 40.
43		38410204	Gib-headed key; dimensions: 12 × 8 × 180; used in: Built-in motor; from year: 2.
44		38006911	Hexagon head screw; dimensions: M16 × 55 (ISO 4014 - M16 × 55 - 10.9); from year: 2.
45		00000001	Article cancelled; from year: 2.
46		31320501	Thrust washer; used in: Built-in motor; from year: 4.
47		31100012	Spacer sleeve; dimensions: Ø62 × Ø48 × 19.
48		32010202	Cover plate; dimensions: Ø75 × Ø48 × 2.
49	UNL2800	31421205	Piston; dimensions: Ø44 × 70.
50	PINCMC6X19	38301119	Parallel pin; dimensions: Ø6 × 55 (ISO 2338 - 6 × 55).
51		37292502	Gasket; dimensions: 78 × 70 × 1; from year: 2.
52		32034902	Cover; dimensions: 78 × 70 × 25; from year: 2.
53		38030624	Cheese-head screw; dimensions: M10 × 40 (DIN 912 - M10 × 40 - 10.9); from year: 2.
58		31402004	Cover; dimensions: Ø80 × 13.
59		31402104	Spacer ring; dimensions: Ø80 × 15; used in: Shaft.
60		31402103	Spacer ring; dimensions: Ø110 × 15; used in: Hub.
61	BRG2816	38620016	Cylindrical roller bearing; dimensions: Ø40 × Ø80 × 23 (DIN 5412 - NU 2208 E).
62	BRG2815	38620015	Cylindrical roller bearing; dimensions: Ø70 × Ø110 × 20 (DIN 5412 - NU 1014 E).
63		31300437	Spacer washer; dimensions: Ø122,8 × 28; from year: 2.
64	COV2870	31300436	Spacer washer; dimensions: Ø142,8 × 28; from year: 2.
65		38030653	Cheese-head screw; dimensions: M6 × 30 (DIN 912 - M6 × 30 - 10.9); from year: 2.
66		38030653	Cheese-head screw; dimensions: M6 × 30 (DIN 912 - M6 × 30 - 10.9); from year: 2.
74	RNGRZ119	37202105	O-ring; from year: 2.
75	RNG70024	37200320	O-ring.
76		00000007	Article no longer available; from year: 2.
77		31402003	Cover; dimensions: Ø134 × 12.
78		31800016	Hexagon head screw; dimensions: M6x16 (ISO 4017 - M6 × 16 - 10.9); from year: 2.
79	WAS2872	38250009	Lip seal; dimensions: Ø70 × Ø90 × 10.
90	GKT23003	37242103	Gasket; dimensions: 222 × 140 × 1.
91	TER23000	34550010	Terminal plate; dimensions: 220 × 140 × 50 (200 A).
92	WASCMM10	38200204	Washer; dimensions: 10,5 (brass DIN 125).
93		38110901	Hexagon nut; dimensions: M10 (DIN 6926 - M10 - 8); from year: 2.
94		38090701	Threaded pole; dimensions: M10 × 80 (DIN 976 - M10 × 80); from year: 2.
95		31101214	Spacer sleeve; dimensions: Ø17,5 × Ø10,5 × 15; from year: 2.
96	TER23010	38110156	Hexagon nut; dimensions: M10 (ISO 4032 - M10 - 8); from year: 2.
97		38033901	Cheese-head screw; dimensions: M10 × 30 (ISO 4762 - M10 × 30 - 10.9); from year: 2.
120		36133817	Shut-off valve; dimensions: Ø76 (3 1/8"); from year: 3.
121		36620123	Protective cap; dimensions: M36×1,5 // L=85 (plastic - GRP); from year: 2.
123		36611002	Plug; dimensions: 1/4" (steel).
124	GKT28033	37230303	Gasket; dimensions: Ø105 × Ø85 × 2.
125		36532105	Brazing and welding bush; dimensions: Ø76 (3 1/8") (steel EN ISO 6708 - DN80).
126		36712114	Counter flange; dimensions: 141 × 141 × 23; from year: 2.
127	BLTCMA16X060	38010955	Hexagon head screw; dimensions: M16 × 60 (DIN 933 - M16 × 60 - 8.8); from year: 2.
128		00000001	Article cancelled; from year: 2.
129	BLTCMA16X060	38010955	Hexagon head screw; dimensions: M16 × 60 (DIN 933 - M16 × 60 - 8.8); from year: 2.
130	BLTCMA16X140	38000954	Hexagon head screw; dimensions: M16 × 140 (DIN 931 - M16 × 140 - 8.8).
131	GKT1009	37230105	Gasket; dimensions: Ø105 × Ø86 × 1.
133	SRN2803	36200203	Suction gas filter; dimensions: Ø105 × 130.
134	GKT1009	37230105	Gasket; dimensions: Ø105 × Ø86 × 1.
162		36150121	Schrader valve; dimensions: 1/8" - 27 NPTF; from year: 2.
163		31400810	Nozzle; dimensions: M10 × Ø2,8.
164		36611002	Plug; dimensions: 1/4" (steel); from year: 2.
166	GKT2028C	38240304	Gasket ring; dimensions: A26 × 31 × 2 (aluminum DIN 7603).
167	PLU2814	36611414	Sealing screw; dimensions: M26×1,5 (DIN 910 - M26×1,5).
168		36611002	Plug; dimensions: 1/4" (steel); from year: 2.
169	PLU2E200	36610021	Plug; dimensions: 1/8" - 27 NPTF; from year: 2.
170		36133003	ECO connection.
171	GRF2874	36132106	Shut-off valve; dimensions: Ø22 (1 1/4"); used in: Economiser.
172	GKT2100T	37220003	Gasket ring; dimensions: Ø25,4 × Ø22,2 × 1,5 (1 1/4-12 - PTFE).
173	PLU2814	36611414	Sealing screw; dimensions: M26×1,5 (DIN 910 - M26×1,5).
174		36521033	Screwed nipple; dimensions: M26×1,5 × 1 1/4" - 12 UNF; from year: 2.
175	GKT2028C	38240304	Gasket ring; dimensions: A26 × 31 × 2 (aluminum DIN 7603).
176		36620117	Protective cap; dimensions: 3/4" - 16 UNF / L=43 (plastic - GRP); from year: 2.
205		32730903	Fixing rail; dimensions: 360 × 50 × 45.
206		38031271	Cheese-head screw; dimensions: M16 × 25 (DIN 6912 - M16 × 25 - 010.9).
260	GKT2800	37231609	Gasket; dimensions: Ø328 × Ø270 × 1,0; from year: 2.
262		30527401	Housing cover; from year: 2.
263	BLTCMA12X040	38030645	Cheese-head screw; dimensions: M12 × 40 (DIN 912 - M12 × 40 - 10.9).
399		31800022	Cheese-head screw; dimensions: M10 x 90 (ISO 4762 - M10 × 90 - 10.9); from year: 2.
400		30551501	Discharge flange cover.
401		37291802	Gasket; dimensions: 108,5 × 1.
402		38030643	Cheese-head screw; dimensions: M12 × 60 (DIN 912 - M12 × 60 - 10.9).
403	BLTCMA12X040	38030645	Cheese-head screw; dimensions: M12 × 40 (DIN 912 - M12 × 40 - 10.9).
490		38030641	Cheese-head screw; dimensions: M12 × 16 (DIN 912 - M12 × 16 - 10.9).
491	TLT2802	38090202	Eye bolt; dimensions: M12 (DIN 580 - M12).
144		00000007	Article no longer available; from year: 2.
145		37202104	O-ring; from year: 2.
146		31102102	Bushing; dimensions: Ø16.
147		38301116	Parallel pin; dimensions: Ø6 × 65 (ISO 2338 - 6 × 65).
150	GRF2504	36133804	Shut-off valve; dimensions: Ø54 (2 1/8"); used in: Discharge gas side; from year: 2.
154	GKT2802	37230302	Gasket; dimensions: Ø75 × Ø61 × 2.
155		36532103	Brazing and welding bush; dimensions: Ø54 (2 1/8") (steel).
156		36712102	Counter flange; dimensions: 110 × 110.
157	BLTCMA16X055	38010909	Hexagon head screw; dimensions: M16 × 55 (DIN 933 - M16 × 55 - 8.8).
158		36620122	Protective cap; dimensions: M27×2 // L=70 (plastic - GRP); from year: 3.
160		38000953	Hexagon head screw; dimensions: M16 × 100 (DIN 931 - M16 × 100 - 8.8).
161	GKT2802	37230302	Gasket; dimensions: Ø75 × Ø61 × 2; from year: 2.
200		37001202	Kit damper elements.
230		34322103	Flexible heating element (230 V - 1 - 50/60 Hz - 200 W).
230		34322104	Flexible heating element (115 V - 1 - 50/60 Hz - 200 W).
231		32510204	Tension spring; dimensions: Ø10,5 × 0,7 × 85.
236		34703202	Sensor (120 °C); from year: 2.
385	FLR2884	36210501	Oil filter; dimensions: Ø95 × 141 × 1" - 12 UNF.
386		31800022	Cheese-head screw; dimensions: M10 x 90 (ISO 4762 - M10 × 90 - 10.9); from year: 2.
387		32433601	Fixing plate.
388		36523301	Screwed nipple; dimensions: Ø32 × 24.
389		36601703	Angled screwed joint; dimensions: XWE10 - L - 1/4" - NPT.
390		36060612	Piping.
410		00000007	Article no longer available; from year: 2.
411		38030623	Cheese-head screw; dimensions: M10 × 25 (DIN 912 - M10 × 25 - 10.9).
412		38030621	Cheese-head screw; dimensions: M10 × 12 (DIN 912 - M10 × 12 - 10.9).
413		36920301	Demister.
420		37202106	O-ring; from year: 2.
430		00000007	Article no longer available; from year: 2.
431		38030705	Cheese-head screw; dimensions: M16 × 60 (DIN 912 - M16 × 60 - 10.9).
432	GKT1017T	37220004	Gasket ring; dimensions: Ø38 × Ø35 × 1,5 (1 3/4).
433		36620504	Sealing nut; dimensions: 1 3/4" - 12 UNF.
434		34740301	Liquid level limiter; dimensions: 90 × 88.
435		36620503	Sealing nut; dimensions: 1 1/4" - 12 UNF.
436	GKT2100T	37220003	Gasket ring; dimensions: Ø25,4 × Ø22,2 × 1,5 (1 1/4-12 - PTFE).
437		36150021	Schrader valve; dimensions: 1/8" - 27 NPTF × 7/16" - 20 UNF; from year: 2.
438		36620501	Sealing nut; dimensions: 3/4" - 16 UNF.
439		36620305	Sealing nut; dimensions: 3/4" - 16 UNF.
440		32050611	Blanking plate; dimensions: Ø17 × 1,85 (aluminum); from year: 2.
441		37230208	Gasket; dimensions: Ø17 × Ø8 × 1,5.
442	GKT2801T	37220001	Gasket ring; dimensions: Ø14,3 × 1,5 (PTFE).
444		36180102	Sight glass; dimensions: Ø88.
445		38012652	Hexagon head screw; dimensions: M10 × 25 (DIN 933 - M10 × 25 - 5.6).
446		36722201	Counter flange; dimensions: Ø88 × Ø48 × 10.
447		37230113	Gasket; dimensions: Ø56 × Ø48 × 1.
448		36180603	Sight glass; dimensions: Ø55,5 × 15.
449		37230113	Gasket; dimensions: Ø56 × Ø48 × 1.
492	PLU75022	36611001	Plug; dimensions: 1/8“ - 27 NPTF (steel).
499		31400825	Nozzle; dimensions: M8 × 10 × Ø1,6.
500		36060707	Piping; used in: Oil line.
501		36060709	Piping; used in: Oil line.
502		36060710	Piping; used in: Oil line.
503		36060711	Piping; used in: Oil line.
505		36060713	Piping; used in: Oil line.
506		31400825	Nozzle; dimensions: M8 × 10 × Ø1,6.
507		36060715	Piping; used in: Oil line.
508		36060714	Piping; used in: Oil line.
89	TER2800	34550106	Terminal plate; dimensions: 222 × 140 × 12 (6-wire 200 A).
213		37270801	Gasket; dimensions: 51 × 88 × 1.
215		34716001	Solenoid valve; dimensions: 91 × 52 × 15; used in: Capacity control.
216	BLTCMA10X030	38030632	Cheese-head screw; dimensions: M10 × 30 (DIN 912 - M10 × 30 - 10.9).
217		34330902	Solenoid coil (230 V - 50 Hz).
217		34330404	Solenoid coil (24 V - 20 W - DC).
217		34331102	Solenoid coil (110 V - 50/60 Hz // 120 V - 60 Hz).
217		34330502	Solenoid coil (24 V - 1 - 50 Hz).
217		34330401	Solenoid coil (48 V - DC).
217		34330405	Solenoid coil (115 V - DC).
217		34330402	Solenoid coil (42 V - DC).
217		34331101	Solenoid coil (230 V - 1 - 60 Hz).
218		37506801	Coil fixation (plastic).
219		38901902	Electric connector of the device.
450	SEN1010	34700403	Compressor protection device (230 V - 50/60 Hz).
450	SEN2853	34700901	Compressor protection device; dimensions: 87 × 40 × 58 (230 V - 50/60 Hz).
450		34700405	Compressor protection device (115 V - 50/60 Hz).
450		34700902	Compressor protection device; dimensions: 87 × 40 × 58 (115 V - 50/60 Hz).
453		38051351	Oval head screw; dimensions: M3 × 16 (ISO 7045 - M3 × 16 - 4.8).
454		34590201	Terminal strip; dimensions: 77 × 22 (12-pole).
455		38051702	Oval head screw; dimensions: M6 × 12 (DIN 7985 - M6 × 12 - A2-70); from year: 07/2014.
456		32451203	Terminal box; dimensions: 360 × 290 × 90; from year: 03/2020.
457	GKT23004	37212601	Gasket; dimensions: 222 × 140 × 3 (EPDM).
461		34512204	Hexagon nut; dimensions: M63×1,5.
462		34512604	Plug; dimensions: M63×1,5.
463		34512102	Screwed cable gland; dimensions: M16×1,5.
464		37502215	Plug.
465		37502213	Plug; dimensions: GPN 300/F15.
466		37804901	Adhesive; dimensions: 16 × 16 × 0,05 (adhesive); from year: 03/2010.
467	TER23022	38900701	Notch-type cable lug; dimensions: 6 R - Ø10 × 35 2.
468	WASCMM10	38200204	Washer; dimensions: 10,5 (brass DIN 125).
469	NUTVT001	38130106	Hexagon nut; dimensions: M10 (ISO 4032 - M10 - Ms).
470	TER23023	37505102	Isolating plate; dimensions: 40 × 39,5.
474	TER23022	38900701	Notch-type cable lug; dimensions: 6 R - Ø10 × 35 2.
475	SPGCMW10	38215202	Thrust washer; dimensions: S10.
476		38038507	Cheese-head screw; dimensions: M10 × 16 (DIN 912 - M10 × 16 - A2-70).
478	TER23024	37590701	Isolating foil; dimensions: 160 × 164 × 0,3.
480		38051702	Oval head screw; dimensions: M6 × 12 (DIN 7985 - M6 × 12 - A2-70); from year: 07/2014.
481		32491014	Cover; dimensions: 370 × 300 × 12; from year: 03/2020.
482		37242907	Gasket; dimensions: 368 × 298 × 2; from year: 06/2017.

bitzer HSKC7451-70, Screw compressor, Semihermetic

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