Product Parameters
| Specification Item | Description |
|---|---|
| Compatible Engine | 139F Gasoline Engine |
| Piston Material | Aluminum Alloy |
| Piston Outer Diameter | 34 mm (reference: 134F standard) |
| Piston Total Height | 29 mm (reference: 134F standard) |
| Compression Height | 14.5 mm |
| Wrist Pin Diameter | 8 mm |
| Ring Grooves | 3 grooves (2 compression + 1 oil) |
| Assembly Includes | Piston + Rings + Wrist Pin + Clips |
Product Description
The 139F Piston Assy is a precision-engineered replacement component for 139F series gasoline engines commonly used in agricultural sprayers, tillers, water pumps, and small power equipment. This complete piston assembly includes the piston body, piston rings, wrist pin (piston pin), and retaining clips for a full rebuild solution.
Product Details
1. Complete Assembly Package
Includes piston body, pre-installed ring set, wrist pin, and retaining clips - everything needed for a full piston replacement in one convenient kit.
2. Aluminum Alloy Construction
Lightweight aluminum alloy piston provides excellent strength-to-weight ratio, rapid heat transfer, and resistance to thermal fatigue during extended engine operation.
3. Precision Ring Grooves
Machined ring grooves with tight tolerances ensure proper ring seating, optimal cylinder sealing, reduced blow-by, and maintained compression pressure.
Products Package
About Us
Production
Quality control
fAQ
Q1: What engines is this piston compatible with?
A: Designed for 139F series gasoline engines. Also compatible with some 134F models - verify dimensions before ordering
Q2: Does the assembly include piston rings?
A: Yes. The complete assembly includes piston, rings, wrist pin, and retaining clips - ready for installation.
Q3: How do I confirm fitment for my engine?
A: Measure your original piston's outer diameter (should be approx. 34mm) and total height (approx. 29mm) before ordering.
Hot Tags: 139f piston assy, China 139f piston assy suppliers, 139F Piston Assy, 139f, 139F Starter Assy New Model
