13037827 / 13037828 / 12159630 Rocker Arm Assembly | Construction Machinery & Heavy Truck Diesel Engine Parts

Meta Description

High quality 13037827, 13037828, 12159630 rocker arm assembly for heavy-duty diesel engines. OEM standard engine valve control spare parts, factory direct wholesale, flexible MOQ, fast lead time, ISO and CE certified for global construction machinery and truck aftermarket repair.

13037827 / 13037828 / 12159630 Rocker Arm Assembly

Product Overview

The 13037827 / 13037828 / 12159630 rocker arm assembly is a critical valve train component for heavy-duty diesel engines. It transfers motion from camshaft to intake and exhaust valves, controlling valve opening and closing timing accurately to maintain proper air intake and exhaust. Made of high-strength alloy steel, this rocker arm assembly goes through precision machining, heat treatment and hardness testing. It delivers outstanding wear resistance and impact resistance to withstand continuous high-load working conditions on construction machines and heavy trucks. Manufactured following OEM specifications, it offers full dimensional interchangeability and works as a direct replacement for original parts during engine overhaul and routine maintenance.

Product Specifications

• Part Numbers: 13037827, 13037828, 12159630
• Product Name: Engine Rocker Arm Assembly
• Application: Heavy-duty diesel engines for construction machinery, wheel loaders, excavators and heavy trucks
• Material: High strength alloy steel
• Process: Precision CNC machining, heat treatment, surface strengthening, full dimension inspection
• Function: Control intake and exhaust valve movement, guarantee accurate valve timing for engine combustion
• Feature: Wear-resistant, high hardness, stable performance, direct OEM fit

Trade Information

Packing

Each rocker arm assembly receives rust-proof treatment and is wrapped individually with moisture-proof paper and shockproof foam. Outer package adopts thick export cartons to prevent scratches and deformation in long sea or air shipment. Pallet packing is available for bulk orders. Neutral export packaging is standard, and custom branded packaging can be arranged upon request.

MOQ

Standard wholesale MOQ is 50 pieces. Sample orders of 1–5 pieces are acceptable for quality checking and compatibility test. Mixed container loading with other engine and construction machinery spare parts is supported to cut your procurement and logistics cost.

Delivery Time

In-stock items ship within 3–7 working days once deposit is confirmed. Mass production orders take 15–25 working days based on order quantity. Rush delivery is negotiable for urgent projects.

Certifications

Every rocker arm assembly passes factory inspection including dimension check, hardness test and wear test. Our factory holds ISO9001 quality management certification and CE certification. Products meet international industry standards and support smooth customs clearance worldwide.

Product Advantages

• Made to OEM specs, precise tolerance, no modification required for installation
• Heat-treated alloy steel body for strong wear resistance and long service life
• Accurate valve control to keep engine power stable and reduce fuel consumption
• Rigorous full inspection before shipment, low defect rate
• Factory direct supply, competitive wholesale price and stable stock
• 12-month warranty against manufacturing defects
• Compatible with multiple heavy-duty engine models for construction and truck applications

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.