Chainsaw engine replacement kit supplying essential piston, bearings and oil seals for maintenance and repair. Restores confidence when a tired engine needs a straightforward rebuild and less fuss. Is the Haishine Piston Pin Crankshaft Bearing Oil Seal Kit the right choice for a DIY repair or workshop overhaul?
⚡ At a Glance
- • Fit and Compatibility: Designed to fit Partner 350, 351, 352, 370, 371, 390, 401, 420 chainsaw engines
- • Best for: Owners and small workshops needing a complete engine seal and bearing replacement kit
- • Not ideal for: Chainsaw models outside the listed Partner series or those requiring original-equipment parts
Complete overhaul kit includes piston, pin, piston ring, circlips, needle bearing, oil seals and crankshaft ball bearings. Supplied parts are intended for direct replacement on Partner 350-420 series engines.
Restore compression and seal integrity - with piston, piston ring and oil seals
Piston and piston ring form the combustion seal while oil seals stop crankcase leakage and circlips secure the assembly. The kit lists the exact components supplied.
Regains proper compression and reduces oil leaks, helping the engine run more reliably after a rebuild.
Stabilise crankshaft movement - with needle and crankshaft ball bearings
Needle bearing supports the piston pin and the pair of crankshaft ball bearings stabilise rotational movement and limit lateral play. Quantities are included in the kit list.
Smoother rotation reduces vibration and wear on surrounding parts, extending service life between major repairs.
Faster repairs with an all-in-one kit - thanks to matched replacement parts
Kit contents combine piston, pin, piston ring, two circlips, a needle bearing, two oil seals and two crankshaft ball bearings, providing the common components needed for an engine rebuild.
Sourcing fewer separate parts shortens assembly time and simplifies planning for DIY repairs or workshop jobs.
✨ The 4 Key Reasons for Haishine Piston Pin Crankshaft Bearing Oil Seal Kit
- Complete Kit - Reduces repair time by supplying all standard engine rebuild parts
- Workshop Ready - Keeps common replacement parts on hand for faster turnaround
- Bearing Upgrade - Supports crankshaft and pin for smoother engine rotation and reduced play
- Seals and Rings - Prevent oil leaks and restore compression for reliable starts
📋 Technical Details at a Glance
- Category: Chainsaw engine replacement kit
- Brand: Haishine
- Product ID: B07GBP4PY1
- Compatible Models: Partner 350, 351, 352, 370, 371, 390, 401, 420
- Kit Contents: 1 piston, 1 pin, 1 piston ring, 2 circlips, 1 needle bearing, 2 oil seals, 2 crankshaft ball bearings
❓ Frequently Asked Questions
Q: Which Partner chainsaw models does the kit fit?
A: The kit is listed as fitting Partner 350, 351, 352, 370, 371, 390, 401 and 420 chainsaw engines.
Q: What parts are included in the kit?
A: Included items are 1 piston, 1 pin, 1 piston ring, 2 circlips, 1 needle bearing, 2 oil seals and 2 crankshaft ball bearings.
Q: Can the kit replace worn piston and bearings on compatible engines?
A: Yes, the supplied piston, pin, rings, bearings and seals are intended as replacement components for the listed Partner engine models.
🏆 Our Verdict
The kit is suitable for owners of Partner 350-420 chainsaws and small workshops needing a straightforward engine rebuild solution. The key selling point is the comprehensive list of core replacement parts delivered together, reducing the need to source multiple components separately. No price information is supplied here, but combining essential parts in one pack reduces downtime and supports long-term engine reliability.
