Products Description
167mm x Ø18mm Stainless Steel Plunger with Central Lubrication Groove | Sprayer Pump Core
Hardened Reciprocating Piston featuring Integrated Mid-Span Oil Reservoir and Dual-End Precision Coupling for 30-Type Agricultural Pumps.
Chain saw MS034 Gaskets bearings for Stihl 034
The 167mm x Ø18mm plunger with central lubrication groove constitutes a specialized high-displacement reciprocating core engineered for the intensified volumetric output of mid-to-large agricultural plunger pumps. Precision-ground from high-grade hardened stainless steel or chrome-plated alloy, it features a strategically positioned 30mm mid-span annular groove that serves as an integrated hydrodynamic lubrication reservoir. This design innovation ensures continuous oil-film distribution along the plunger shaft during high-frequency reciprocation, dramatically reducing packing-seal friction heat and preventing the dry-start scoring that accelerates seal degradation. The extended 167mm stroke length generates increased per-cycle fluid displacement, making this plunger the definitive choice for 30-type and 45-type pumps requiring higher volumetric throughput for large-scale orchard spraying and industrial pressure-washing applications.
Technical Profiles & Materials
Spring-Loaded Radial Lip Seals: The crankshaft oil seals feature nitrile (NBR) or fluoroelastomer (FKM) lip elements with integrated garter springs, designed to maintain constant radial contact pressure against the crankshaft journal even under the vacuum-pulsation cycles inherent in 2-stroke crankcase scavenging.
30mm Mid-Span Annular Lubrication Groove: Features a precision-machined circumferential oil retention channel at the plunger mid-point, engineered to trap and distribute a continuous hydrodynamic oil film along the packing-seal interface, eliminating the boundary-lubrication dry-start conditions that cause 80% of premature seal failures.
Precision-Ground Diametral Consistency: The outer surface undergoes a multi-stage centerless grinding and super-finishing protocol, achieving a surface roughness of Ra ≤0.15μm and a diametral tolerance of ±0.005mm across the entire 167mm working span.
Technical Specifications
| ITEM | DETAILS |
| Type | Complete Engine Overhaul Gasket & Bearing Kit |
| Application | STIHL 034 / MS034 Chainsaw / 56cc 2-Stroke Engine |
| Code | 0107062 |
| Material | Fiber Composite / NBR-FKM Elastomer / Cr-Steel Bearings |
| Rated Current | Non-Asbestos Composite) |
| Brand Name | SeaSummer |
| Operating Temp | -20°C to +200°C (Gasket Range) |
| Delivery Time | 30 Days |
| Packaging | Cardboard packaging |
Products Application
Professional Chainsaw Engine Overhaul
Serves as the critical pneumatic-isolation and rotational-support kit for forestry technicians and small-engine repair centers performing complete bottom-end and top-end rebuilds on STIHL 034 series chainsaws. Replacing all gaskets, seals, and bearings simultaneously restores factory-spec crankcase compression, ensuring the 2-stroke transfer-port scavenging efficiency essential for peak power output and reliable cold-start performance.
Crankcase Air-Leak Diagnosis & Remediation
Ideally suited for correcting the symptoms of crankcase air-ingress-erratic idle, inability to hold carburetor tune, and sudden lean-seizure events-that plague aging 034 professional saws with degraded original seals. The comprehensive kit format ensures all potential leak paths are addressed in a single service intervention, eliminating diagnostic guesswork and repeated disassembly.
Global Forestry Equipment Lifecycle Extension
An essential engine-restoration consumable kit for STIHL equipment dealerships and international aftermarket parts distributors supporting professional logging crews and municipal forestry departments. Its OEM-standard dimensional compliance and all-inclusive component selection provide a turnkey rebuild solution, extending the serviceable life of high-hour 034 powerheads and maximizing the return on investment for commercial forestry fleets.
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
Trusted Partnership Power
YOUR PROFESSIONAL ONE-STOP SOURCE
FOR 10000+ OUALITY PARTS
Verified Factory Excellence
BACKED BY 200+ TRUSTED FACTORY PARTNERS
Production process
Quality control
Expo experience
Customer Reviews
FAQ
Q: Are you an impartial industrial components dealer or a direct China water pump factors factory?
A:We are a direct, ISO9001-certified engineering water pump components manufacturing facility and precision fluid-control factor manufacture exporter primarily based in China. We function our personal cleanroom injection molding bays, computerized ultrasonic welding arrays, computerized hydraulic stress check stations, and clean-room packaging lines, passing direct-factory wholesale price financial savings straight to your element procurement margins.
Q: Can your manufacturing unit furnish full certification forms for food-contact or consuming water compliance?
A: Yes, absolutely. For food, beverage, or scientific applications, our manufacturing unit makes use of one hundred percent virgin, un-recycled polypropylene resins accompanied by means of fabric traceability certificates. We mechanically furnish B2B purchasers with complete FDA compliance documentation, NSF-grade compound declarations, and RoHS/REACH chemical protection screening sheets to make certain clean clearance thru worldwide customs.
Q: Do you provide customization picks for distinctly corrosive fluids like sturdy acids or ozone?
A: Yes, we are a thoroughly succesful OEM/ODM supplier. For aggressive chemical or ozone environments, we can improve the 12x26.5mm valve configuration in our factory: substituting the general PP housing with top class PVDF (Fluoropolymer) and changing any steel springs with Hastelloy or whole springless gravity-ball architecture, making sure final chemical resistance.
Q: How do we impervious a pattern batch to execute computerized lifecycle and burst-pressure testing?
A: We relatively inspire complete laboratory contrast earlier than logging mass grant agreements. We can ship a pattern lot of 5-10 gadgets of our inventory 12x26.5mm take a look at valves for assessment (setup costs and DHL/FedEx air freight apply). Once the factors pass by your inner lifecycle verification and a formal wholesale quantity manufacturing contract or container run is locked in, the sampling charges are a hundred percent credited returned to your industrial balance.
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