The BOCK piston ring seals the critical clearance between the piston and cylinder wall. This function maintains high compression efficiency while preventing lubricating oil from entering the discharge gas, ensuring optimal system performance.
Our catalog below features OEM-cross-referenced replacement piston rings guaranteed to fit your equipment perfectly. Select from our inventory to restore factory specifications and extend compressor lifespan with precision-engineered components.
| Ralco P/N | Description | Compressor | OEM P/N | Models | Add | |
|---|---|---|---|---|---|---|
SGMBK032 | (32) KIT 2 SEGMENTOS FIT BOCK *F1+AMX0-45-6+AM1-45-4* / SET 2 PISTON RING 2+2 MM REF-05386+05376 | BOCK 05386 05376 | ||||
SGMBK040 | (40) KIT 2 SEGMENTOS FIT BOCK *AMX2-58+95* / SET 2 PISTON RING 2.48+2.48 MM REF-05377+05387 | BOCK 05387 05377 | ||||
SGMBK0415 | (41.5) KIT 2 SEGMENTOS FIT BOCK *HAX+HGX-34P+E-215 * / SET 2 PISTON RING 2.48+2.48 MM REF-50038+50039 | BOCK | ||||
SGMBK045 | (45) KIT 2 SEGMENTOS FIT BOCK *HA/GX4-310+HA/GX-34E-255+22E-125* / SET 2 PISTON RING 45X2.46+2.46 MM REF-05388+05378 | BOCK 05378 05388 | ||||
SGMBK050 | (50) KIT 2 SEGMENTOS FIT BOCK *HA/GX-22E/P-160+34E/P-315+4-385+FKX20-120+40-390+AM3-153+4-306* / SET 2 PISTON RINGS 50X2.46+2.46 MM REF-05389+05379 | BOCK 05379 05389 | ||||
SGMBK055 | (55) KIT 2 SEGMENTOS FIT BOCK *F3 + F4 + FK4 + HG-4-465 + AM3/233 + AM4-370 + BFO-4* / SET 2 PISTON RING 2.48+2.48 MM REF-05380 + 05390 +1991206 + 1991208 | BOCK 1991206 1991208 05390 05380 | ||||
SGMBK060 | (60) KIT 2 SEGMENTOS FIT BOCK *FKX20-170+30-275+40-560+50-660-N+K+TK +HA/GX4-555 * / SET 2 PISTON RING 2.48+2.48 MM REF-06562 + 06563 | BOCK 06563 06562 | ||||
SGMBK06364 | (70) SEGMENTO COMPRESION BOCK *HGX66E-1340+HA/HG5-725+6-1080+HGX7-1620+FX76-1570*/ TAPERED COMPR.RING PIS.70 REF-06364 | BOCK 06364 | ||||
SGMBK06365 | (70) SEGMENTO COMPRESION BOCK *HGX66E-1340+HA/HG5-725+6-1080+HGX7-1620+FX76-1570*/ OIL SCRAPER RING PISTON 70 REF-06365 | BOCK 06365 | ||||
SGMBK06366 | (70) SEGMENTO COMPRESION BOCK *HGX66E-1340+HA/HG5-725+6-1080+HGX7-1620+FX76-1570*/ DOUBLE BEVEL OIL CONT.RING 70 REF-06366 | BOCK 06366 | ||||
SGMBK065 | (65) KIT 2 SEGMENTOS FIT BOCK *FKX-50-775+40-655+30-325+HGX4-650+HA/HG3-325* 65X2.5 REF-06572 + 06564 | BOCK 06572 06564 | ||||
SGMBK06710 | (75) SEGMENTO COMPRESION FIT BOCK *HGX-830+1240+1540+1860+2400+2830+FX76-1800* / TAPERED COMPR.RING PIS.75 CHR ISO 6622/1-M2-75X2,0-MC12/CR1F 1.98 MM REF-06710 | BOCK 097B06710 06710 | ||||
SGMBK06711 | (75) SEGMENTO RASCADOR FIT BOCK *HGX-7* / PISTON RING 1.98 MM REF-06711 | BOCK 06711 | ||||
SGMBK06712 | (75) SEGMENTO ENGRASE FIT BOCK *HGX-830+1240+1540+1860+2400+2830+FX76-1800* / DOUBLE BEVEL OIL CONT.RING 75 ISO 6625-G-75X3-MC12/PO 2.98 MM REF-06712 | BOCK 06712 09712 | ||||
SGMBK0702R | (70) KIT 2 SEGMENTOS FIT BOCK *F5+FX5+F6 + AM5-601+724+847* / SET 2 PISTON RING 2.48+2.48 MM DIN 70930 70911 REF-05381 + 05391 | BOCK 05391 05381 |