![[UDT Chainsaw Parts] — UCS-40 Piston Ring](https://img.prosourcemro.com/2026/05/1262357-1-2.jpg)
Chainsaws & Mowers
UDT Chainsaw Parts
[UDT Chainsaw Parts] — UCS-40 Piston Ring
Family ID: 500-9185
UDT Chainsaw Parts UCS-40 Piston Ring is a replacement engine component designed to maintain cylinder compression and oil control in chainsaw powerheads, sourced direct from Korea. Piston rings of this type are essential wear items in two-stroke chainsaw engines, typically replaced during top-end rebuilds to restore power, reduce blow-by, and extend engine service life. Request a quote today for export-ready supply of this chainsaw engine part at competitive pricing, fulfilled by a KITA-registered Korean exporter.
74 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| 500-9185 | UCS-40 | UDT Chainsaw Parts | UCS-40 #A10 | ||
| 500-9194 | UCS-40 | UDT Chainsaw Parts | UCS-40 #A13 (Piston) | ||
| 500-9219 | UCS-40 | UDT Chainsaw Parts | For UCS-40 #A15 | ||
| 500-9246 | UCS-40 | UDT Chainsaw Parts | UCS-40 #B05 | ||
| 500-9255 | — | UDT Chainsaw Parts | UCS-40 (#B09), UCS-42 | Part Name: Carburetor | Compatible Model: UCS40 (B09)/UCS42/UCS440 | ||
| 500-9264 | UCS-40 | UDT Chainsaw Parts | #B15 for UCS-40 | ||
| 500-9273 | UCS-40 | UDT Chainsaw Parts | UCS-40,42 #B18 | ||
| 500-9282 | UCS-40 | UDT Chainsaw Parts | UCS-40 #B19 | ||
| 500-9291 | UCS-40 | UDT Chainsaw Parts | UCS-40 #C10~18,C20 | Part Name: Easy Start Assembly | Compatible Model: UCS40 (C10-18/C20) | ||
| 500-9307 | UCS-40 | UDT Chainsaw Parts | UCS-40 #D03 | ||
| 500-9316 | UCS-40 | UDT Chainsaw Parts | For UCS-40 #D04 | ||
| 500-9361 | UCS-40,45,50,57 | UDT Chainsaw Parts | #D12 for UCS-40 | ||
| 500-9389 | UCS-40 | UDT Chainsaw Parts | #D21 Sprocket for UCS-40 | ||
| 500-9404 | UCS-40 | UDT Chainsaw Parts | #E01 for UCS-40 | ||
| 500-9413 | UCS-40 | UDT Chainsaw Parts | #E02 for UCS-40 | ||
| 500-9440 | UCS-40 | UDT Chainsaw Parts | UCS-40 #E05 | ||
| 500-9459 | UCS-40 | UDT Chainsaw Parts | #E06 Sprocket for UCS-40 | ||
| 500-9468 | UCS-40 | UDT Chainsaw Parts | UCS-40,40II,42 #E07 | ||
| 500-9538 | UCS-40 | UDT Chainsaw Parts | UCS-40,42 #F07 | ||
| 500-9547 | UCS-40 | UDT Chainsaw Parts | For UCS-40 #F08 | ||
| 500-9556 | UCS-40 | UDT Chainsaw Parts | For UCS-40 #F09 | ||
| 500-9565 | UCS-40 | UDT Chainsaw Parts | For UCS-40 #F11 | ||
| 500-9574 | UCS-40 | UDT Chainsaw Parts | UCS-40 #F10 | ||
| 500-9592 | UCS-40 | UDT Chainsaw Parts | UCS-40 #F13 | ||
| 500-9644 | UCS-40 | UDT Chainsaw Parts | UCS-40 #F18 | ||
| 500-9662 | UCS-40 | UDT Chainsaw Parts | For UCS-40 #F20 | ||
| 500-9671 | UCS-40 | UDT Chainsaw Parts | UCS-40 #F21 | ||
| 500-9705 | UCS-40 | UDT Chainsaw Parts | UCS-40 #F24 | ||
| 500-9732 | UCS-45 | UDT Chainsaw Parts | For UCS-45 #A01, UCS-47 | Part Name: Cylinder | Compatible Model: UCS45 (A01)/UCS47 | ||
| 500-9802 | — | UDT Chainsaw Parts | UCS-45, 50 #B07 / UCS-57, 47, 52 | Part Name: Ignition Coil | Compatible Model: UCS45/50 (B07) / UCS47/52 | ||
| 500-9884 | — | UDT Chainsaw Parts | For UCS-40,42,45,50,52,57,40II #D27 (Universal) | ||
| 500-9893 | — | UDT Chainsaw Parts | For UCS-45, 47, 50, 52, 57, 550, 555 | Part Name: Carburetor | Compatible Model: UCS45/50 (D-33) / UCS47/52/57 / UCS550/555 | ||
| 500-9927 | — | UDT Chainsaw Parts | UCS-45,50 #F07 | Part Name: Clutch Cover Assembly | Compatible Model: UCS45/50 (F07) | ||
| 500-9981 | — | UDT Chainsaw Parts | #A01 Sprocket for UCS-40, for UCS-42 | Part Name: Cylinder | Compatible Model: UCS40 (A01)/UCS42 | ||
| 501-2116 | UCS-40 | UDT Chainsaw Parts | For UCS-40 410mm (16") | Part Name: Guide Bar | Compatible Model: UCS40(16') | ||
| 501-2620 | — | UDT Chainsaw Parts | 450mm (18') Bar for UCS-45, 50 | Part Name: Guide Bar | Compatible Model: UCS45/50(18') | ||
| 501-2675 | UCS-40 | UDT Chainsaw Parts | For UCS-40 #B06 | ||
| 501-2727 | — | UDT Chainsaw Parts | UCS-50 #A01, UCS-52 | Part Name: Cylinder | Compatible Model: UCS50 (A01)/UCS52 | ||
| 501-2736 | UCS-40 | UDT Chainsaw Parts | UCS-40 #A17 | ||
| 501-2754 | UCS-40 | UDT Chainsaw Parts | UCS-40,42,440,40II #E09,E10,E11 | ||
| 501-2763 | UCS-40 | UDT Chainsaw Parts | UCS-40 #A05 | ||
| 501-2772 | UCS-40 | UDT Chainsaw Parts | UCS-40 #E14 | ||
| 501-2790 | UCS-40 | UDT Chainsaw Parts | UDT Engine Saw Universal (Except UCS-25) | ||
| 501-6158 | UCS-40 | UDT Chainsaw Parts | UCS-40 #C09 | ||
| 501-6219 | UCS-45,50 | UDT Chainsaw Parts | UCS-45 #B26~35 | Part Name: Easy Start Assembly | Compatible Model: UCS45 (B26-35) | ||
| 580-0016 | UCS-42 | UDT Chainsaw Parts | #70 for UCS-42 | Part Name: Easy Start Assembly | Compatible Model: UCS42 (#70) | ||
| 580-0034 | UCS-42 | UDT Chainsaw Parts | UCS-42 #171 | Part Name: Clutch Cover Assembly | Compatible Model: UCS42 (#171) | ||
| 580-0043 | — | UDT Chainsaw Parts | UCS-47 #204 | Component Name: Easy Start Assembly | Compatible Model: UCS47 (#204) | ||
| 580-0052 | — | UDT Chainsaw Parts | #172 Sprocket for UCS-47, 52, 57 | Part Name: Clutch Cover Assembly | Compatible Model: UCS47/52/57 (#172) | ||
| 580-0070 | — | UDT Chainsaw Parts | For UCS-50, 52 #A33~36 | Component Name: Piston Assembly | Compatible Model: UCS50 (A33~36)/UCS52 | ||
| 580-0089 | UCS-45 | UDT Chainsaw Parts | For UCS-45,47 #A33~36 | Part Name: Piston Assembly | Compatible Model: UCS45 (A33~36) | ||
| 580-0098 | UCS-42,440 | UDT Chainsaw Parts | For UCS-42, 440 410mm (16') OREGON | Part Name: Guide Bar | Compatible Model: UCS42/440/45S(16') | ||
| 580-0104 | UCS-47,52,57,550,555,50S | UDT Chainsaw Parts | 450mm (18') Bar for UCS-47, 52, 57, 550, 555, 50S, 55S OREGON | Part Name: Guide Bar | Compatible Model: UCS47/52/57/50S(18') | ||
| 580-0201 | — | UDT Chainsaw Parts | For UCS-40 #D11,12,13 | ||
| 580-0256 | UCS-20 | UDT Chainsaw Parts | UCS-20 (#25-29 Tooth) OREGON | Product Name: Chainsaw Blade | Compatible Model: UCS20(10') | Chainsaw Blade: 25x29 | ||
| 580-0292 | UCS-40 | UDT Chainsaw Parts | UCS-40 #D2 | ||
| 580-0308 | UCS-40 | UDT Chainsaw Parts | UCS-40,42,440 #D17 | ||
| 580-0715 | UCS-440 #83 | UDT Chainsaw Parts | UCS-440 #83 | Part Name: Easy Start Assembly | Compatible Model: UCS440 (#83) | ||
| 580-0733 | UCS-440 #171 | UDT Chainsaw Parts | UCS-440 #171 | Part Name: Clutch Cover Assy | Compatible Model: UCS440 (#171) | ||
| 580-0779 | UCS-555 #186 | UDT Chainsaw Parts | UCS-555 #186 | Component Name: Clutch Cover Assembly | Compatible Model: UCS555 (#186) | ||
| 580-0788 | UCS-555 #185 | UDT Chainsaw Parts | UCS-555 #185 | Part Name: Easy Start Assembly | Compatible Model: UCS555 (#185) | ||
| 580-1042 | UCS-250 | UDT Chainsaw Parts | UCS-250 (10') OREGON | Part Name: Guide Bar | Compatible Model: UCS250(10') | ||
| 580-1051 | UCS-250 #16 | UDT Chainsaw Parts | For UCS-250 #16 | Part Name: Cylinder | Compatible Model: UCS250 (#16) | ||
| 580-1060 | UCS-250 #20 | UDT Chainsaw Parts | UCS-250 #20 | Part Name: Ignition Coil | Compatible Model: UCS250 (#20) | ||
| 580-1079 | UCS-250 #15 | UDT Chainsaw Parts | UCS-250 #15 | Part Name: Carburetor | Compatible Model: UCS250 (#115) | ||
| 580-1097 | UCS-250 #11~14 | UDT Chainsaw Parts | For UCS-250 #11~14 | Part Name: Piston Assembly | Compatible Model: UCS250 (#11~14) | ||
| 590-2208 | — | UDT Chainsaw Parts | For UCS-40, 42 | Part Name: Ignition Coil | Compatible Model: UCS40/42 | ||
| 590-2217 | UCS-40 | UDT Chainsaw Parts | UCS-40 #C6 | ||
| 590-2244 | UCS-40 | UDT Chainsaw Parts | UCS-40 #F1~F26 | Part Name: Clutch Cover Assembly | Compatible Model: UCS40 (F1-F26) | ||
| 590-2262 | UCS-40 | UDT Chainsaw Parts | UCS-40 #A33 | ||
| 590-2271 | UCS-40 | UDT Chainsaw Parts | #A34 Sprocket for UCS-40 | ||
| 590-2280 | UCS-40 | UDT Chainsaw Parts | UCS-40 #A24 | ||
| 590-5825 | UCS-40 | UDT Chainsaw Parts | UCS-40 #D20 (Fuel Tank) | ||
| 590-8381 | — | UDT Chainsaw Parts | UCS-40 (#A9~12), UCS-42, UCS-440 (#64~67) | Part Name: Piston Assembly | Compatible Model: UCS40 (A9~12)/UCS42 |
