LG853.03.01.09 / 403018A Reverse Gear Piston Assembly | Lonking Loader

LG853.03.01.09 & 403018A reverse gear piston assembly is the core gearbox spare part for Lonking LG853, CDM853, CDM855, CDM856, ZL50 series wheel loaders. It controls reverse gear engagement and separation to guarantee stable reversing operation. Made with high-precision machining and premium NBR sealing parts, our piston assembly is fully OEM interchangeable for direct replacement, effectively fixing gearbox oil leakage and gear shifting malfunctions.

• Part Number: LG853.03.01.09, 403018A (Compatible: 403018, 4110000184089, 860115033)
• Applicable Equipment: Lonking ZL50/LG853/CDM853 series 5-ton wheel loaders
• Material: High-strength aluminum alloy + wear-resistant NBR rubber seals
• Working Temperature: -20℃ ~ 120℃
• Standard Warranty: 6 months from shipment date
• Certifications: ISO9001:2015, CE certification

1. 100% OEM size matching, no modification needed during installation;
2. Thickened piston body & imported seals, 30% longer service life than ordinary aftermarket parts;
3. Strict 1.5-times pressure inspection, stable performance under mining & construction heavy loads;
4. Tight multi-layer sealing structure to eliminate hydraulic oil leakage;
5. Affordable price, only 60%-70% cost of original Lonking spare parts.

MOQ is 1 piece; small sample orders are acceptable; tiered discount for orders over 10pcs.

• Inner: Anti-rust paper + bubble wrap to avoid scratch & corrosion;
• Middle: Shockproof customized carton;
• Outer: Export plywood case complying with ISTA 3A international shipping standard;
• Custom neutral packaging & branded packaging are available as requested; clear model labels & shipping marks on outer packages.

• In-stock orders: 3–7 working days after deposit confirmation;
• Bulk orders over 50pcs: 10–15 working days production cycle;
• Expedited 24–48h urgent shipment service on special requests.

All finished products pass 100% air tightness test & dimensional inspection before delivery; ISO9001 & CE authorized; free replacement for manufacturing defects within warranty period.

• Payment options: T/T, L/C, ;
• Shipping ways: DHL/FedEx/UPS express, air freight, sea freight;
• Departure ports: Qingdao, Shanghai, Tianjin.

1. Clean gearbox interior to remove impurities before assembly;
2. Check piston and seals for cracks or deformation;
3. Lubricate seals with dedicated gearbox oil;
4. Fasten bolts following OEM torque standard;
5. Run pressure test after installation to check leakage.

HES Co., Ltd is a company specializing in engineering machinery parts and Sinotruk Shacman truck components. Over the years since its establishment, the company has maintained excellent collaborations with multiple manufacturers such as XCMG, SDLG, Sinotruk, and Shacman. Adhering to the principles of "Quality First, Customer Supremacy, Credibility, and Win-Win Cooperation," we are committed to sincerely cooperating with all clients and pursuing mutual development.

• 10+ years professional manufacturer for loader & truck spare parts, global clients covering 50+ countries;
• Sufficient spot inventory for mainstream models to shorten delivery lead time;
• Professional engineer team provides free installation guidance & after-sales troubleshooting;
• 24-hour online customer service for order consultation & technical support.

Email: 15562503032@163.com

WhatsApp: +86-15562503032

Official Website: www.truckssparepart.com