The BOCK Piston compresses refrigerant gas within the cylinder, performing the vital thermodynamic work of the refrigeration system. Wear here disrupts pressure ratios, causing catastrophic efficiency losses and potential mechanical failure in critical industrial cooling applications.
Our catalog offers OEM-cross-referenced replacements guaranteed to fit your equipment perfectly. Sourced for precision tolerances, these components restore original performance and extend the operational lifespan of your cooling infrastructure.
| Ralco P/N | Description | Compressor | OEM P/N | Models | Add | |
|---|---|---|---|---|---|---|
PSTBK032 | PISTON + BULON + SEGMENTOS FIT BOCK *F1+AMX0-45-6+AM1-45-4* / PISTON ASSY+ PIN 12X8X25 + 2 RINGS N-203 REF-08030+07136 | BOCK 08030 07136 | ||||
PSTBK0415 | PISTON + BULON + SEGMENTOS FIT BOCK *HAX+HGX-34P+E-215* / PISTON + PIN 15X34 + RINGS 41.5X2.5 REF-80296 | BOCK | ||||
PSTBK045 | PISTON + BULON + SEGMENTOS FIT BOCK *HA + HGX22E+P-125+34E+P-255* / PISTON + PIN 15X33 + RINGS 45X14.2X38.9 REF-80297 | BOCK 80297 | ||||
PSTBK050 | PISTON LISO+ BULON + SEGMENTOS FIT BOCK *AM3-153+4-306 + FKX40/390N +K+K1* / PISTON + PIN 15X40 + RINGS 50X14.2X37.8 REF-80102+07110(SOLO) | BOCK 07110 80102 | ||||
PSTBK055 | PIST. LISO+BULON+SEGM. OPTIM. BOCK *F3+4 + FK30+40 + BFO-4 +AMX3-185+233+4-370 + FKX30-235+40-470-N+K+K1+TK+50+HGX34P+E-380-2 / PISTON + PIN 15X45 + RINGS 2.48 55X14.3X38.9 REF-80103+08034+07140(SOLO) | BOCK 08034 80103 07140 | ||||
PSTBK060 | PISON + BULON + SEGMENTOS FIT BOCK * FK40-560N+K+FK50 +FKX30-275+40-560+50-660 / PISTON + PIN 15X50 + RINGS 60X14.2X40.9 REF-80104 | BOCK 80104 | ||||
PSTBK065 | PISON + BULON + SEGMENTOS FIT BOCK *FKX50-775+FKX30-325+40-655*/ PISTON + PIN 15X50 + RINGS 60X14.2X40.9 REF-80105 | BOCK 80105 | ||||
PSTBK070 | PISTON (OPTIMIZED) + BULON + SEGMENTOS FIT BOCK *HAX+HGX5-725+HGX66E-1340+HA/GX6-1080+HGX7-1620+FX76-1570 */ PISTON + PIN 20X13 + RINGS 70 10X9X3"70.0 (STD)X19.9X 53.9 REF-80042 | BOCK 80042 | ||||
PSTBK0702R | PISTON + BULON + 2 X2.48 SEGMENTOS FIT BOCK *BFO-5 + F5 + FX5 + F-6 +AM-5/846+847 + HG5* / PISTON ASSY+ PIN 20X60 + 2 RINGS 70X19.9X53.9 N-203 REF-08035 + 1991.309+07141 | BOCK 07141 1991309 08035 | ||||
PSTBK0703R | PISTON + BULON + 3 SEGMENTOS 2X1.96+2.96 FIT BOCK NH3 *F-5 + HA5 + HA6 + HG5 + HG6 + HG7 + HG8* / PISTON + PIN 20X60 + 3 RINGS 70X19.9X53.9 R-717 N-203 REF-80239 | BOCK 80239 | ||||
PSTBK075 | PISTON + BULON + SEGMENTOS FIT BOCK *BFO-4 + HG-A/X5-830+6-1240 + HG/X7-1860 + HG/X8-2830+HGX66E-1540+HGX88E-2400+FX76-1800* / PISTON + PIN 20X66 + RINGS 75X19.9X54.9 REF-80048 | BOCK 80048 | ||||
PSTBK080 | PISTON+BULON+3 SEGMENTOS FIT BOCK * F14/1166+1366 +HGX66E+F16+FX76-2050+1750 +HGX88E+F18+FX88-2735 + HA/GX+HZ-5/945+6/1410 +7/2110+8/3220*/PISTON + PIN 20X66 + 3RINGS 80X18X48.9 REF-80106+07114 | BOCK 80106 07114 | ||||
PSTBK08032 | (45)PISTON COMPLETO *FX2+F2+AMX2-73+121* / PISTON ASSL. REF-08032+07138 | BOCK 07138 08032 | ||||
PSTBK080X020 | PISTON+BULON+3 SEGMENTOS SOBREMEDIDA 0.50 MM FIT BOCK * F14/1166+1366 +HGX66E+F16+FX76-2050+1750 +HGX88E+F18+FX88-2735 + HA/GX+HZ-5/945+6/1410 +7/2110+8/3220*/PISTON + PIN 020" OVERSIZED 20X66 + 3RINGS 80X18X48.9 REF-80106+07114 X 020 | BOCK | ||||
PSTBK080X030 | PISTON+BULON+3 SEGMENTOS SOBREMEDIDA 0.50 MM FIT BOCK * F14/1166+1366 +HGX66E+F16+FX76-2050+1750 +HGX88E+F18+FX88-2735 + HA/GX+HZ-5/945+6/1410 +7/2110+8/3220*/PISTON + PIN 030" OVERSIZED REF-80106+07114 X 030 | BOCK |