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Product Specifications

Compatible Models

Tired of Engine Blow-by and Power Loss? Get the Right Kawasaki Piston Ring Set for Your FR651V, FR691V or FR730V Lawn Mower Engine Rebuild

Every hour your commercial mower sits idle costs hundreds in lost productivity—especially during peak season. Counterfeit piston rings cause rapid cylinder wear, oil consumption spikes, and catastrophic compression loss within weeks. OEM replacements take 3–4 weeks to arrive and cost up to 45% more. And if you’re servicing multiple brands like Cub Cadet, MTD, and Yard Man, sourcing reliable parts across models becomes a logistical bottleneck.

OEM-Equivalent Quality, Ready to Ship

This Kawasaki piston ring set (13008-0569) is engineered to match original dimensional tolerances and material hardness specs—verified by our 20+ technical team with 10 years’ field experience on Kubota, Kawasaki, and Briggs & Stratton power units. Each set undergoes compression testing and surface finish inspection before shipment. It’s designed for real-world engine rebuilds: high-load turf maintenance, municipal groundskeeping, and commercial landscaping operations where uptime is non-negotiable.

Where This Part Works

This piston ring set delivers consistent performance in demanding outdoor environments—across golf courses, municipal parks, university campuses, and large-scale residential communities. Under continuous operation at 3,600 RPM and ambient temperatures from -10°C to +45°C, proper ring tension and heat dissipation prevent scuffing and ring flutter. Correct fit ensures stable combustion pressure, reduced oil carryover into the combustion chamber, and extended service intervals—critical when mowing 10–12 hours daily under heavy grass load.

Engineering Details That Matter

Each ring is manufactured from high-carbon alloy steel with Rockwell hardness C58–62—ensuring resistance to groove wear and micro-welding under thermal cycling. The top compression ring features a chrome-plated face for low friction and improved break-in; the second ring uses tapered land design for optimal oil control. All rings are precision-ground to ±0.005 mm thickness tolerance, guaranteeing correct side clearance in the piston grooves. Surface finish is Ra ≤0.4 μm to minimize initial wear and maintain cylinder wall integrity over 1,200+ operating hours.

The Real Cost of Wrong Parts

A $12 counterfeit ring set may save $8 upfront—but leads to $220 in labor rework, $150 in replacement gaskets and seals, and $1,200+ in downtime for a single commercial mower. Poorly fitted rings accelerate bore wear, requiring full cylinder rebore or engine replacement within 300 hours. Our 13008-0569 set meets ISO 9001-certified production standards and OEM-specified tensile strength (≥1,400 MPa) and elongation (≥12%). Total cost of ownership drops 37% over 2 years versus substandard alternatives—measured by service life, fuel efficiency, and repair frequency.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in moisture-resistant blister packaging with anti-rust vapor-phase inhibitor
• In-stock items ship within 2–5 working days after order confirmation
• Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), sea freight (25–40 days)
• Real-time tracking provided via email and WhatsApp upon dispatch
• MOQ is 1 piece—ideal for urgent engine rebuilds or small workshop inventories

Get Your Parts Now

Your mower isn’t generating revenue while it waits. Send us your engine model (e.g., FR730V-AS19), quantity, and destination—we’ll reply with a formal quote within 24 hours. First-time buyers can request a sample for physical verification before bulk ordering. With Guangzhou warehouse stock, your rebuild kit ships fast and arrives ready for installation.

Frequently Asked Questions