Push Rod 31434307 for Perkins Engine 1004-40T 1004-40 1004G 1004-40S 135Ti 1004-4T 1004-4

Product Specifications

Compatible Models

Tired of Engine Misfires and Downtime? Get the Right Push Rod 31434307 for Your Perkins 1004-40T Engine

Every hour your CASE C100 tractor or Landini Legend 145 sits idle due to valve train failure costs hundreds — sometimes thousands — in lost productivity. Counterfeit push rods crack under load, causing catastrophic valve damage. OEM replacements take weeks to arrive, halting harvests, construction schedules, and port operations. And sourcing compatible parts across Perkins, CASE, and Landini platforms wastes hours cross-referencing catalogs.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This push rod is manufactured in ISO 9001-certified facilities to exact Perkins engineering tolerances — verified by pre-shipment performance testing on hydraulic lifters and camshaft interfaces. Designed for continuous-duty applications like agricultural field work and quarry loader operation, it delivers consistent valve timing and lift stability. With 10 years’ experience supplying heavy equipment operators across 120+ countries, XUNPO ensures every 31434307 push rod meets original dimensional, material, and hardness specifications — no guesswork, no delays.

Where This Part Works

You’ll rely on this push rod in high-cycle, high-load environments: grain harvesting with New Holland 1496 conditioners, earthmoving with CASE C100 tractors, and precision tillage with Landini Legend 145s. In these applications, push rods endure repeated impact loads up to 1,200 MPa, thermal cycling from 20°C to 180°C, and exposure to dust, moisture, and biodiesel blends. Selecting a dimensionally accurate, heat-treated replacement is critical — not optional — for maintaining compression integrity and preventing premature cam wear.

Engineering Details That Matter

Each push rod undergoes double-tempering after forging to achieve a core hardness of 32–36 HRC and surface hardness of 58–62 HRC — matching OEM fatigue resistance. The ground finish achieves Ra ≤ 0.4 μm to minimize friction against lifter bores and reduce oil shear heating. Tolerances are held to ±0.01 mm on length and ±0.005 mm on diameter — ensuring zero interference during installation and perfect alignment with rocker arms. A black oxide coating provides corrosion resistance exceeding 96-hour salt-spray test requirements per ASTM B117, protecting against field moisture and chemical exposure.

The Real Cost of Wrong Parts

A $12 counterfeit push rod may save $8 upfront — but causes valve seat recession in under 150 operating hours, leading to a $2,400 cylinder head rebuild and 3-day machine downtime. OEM-equivalent parts like this 31434307 push rod extend service life by 2.3× versus low-grade alternatives, verified across 1,200+ field reports. When factoring labor, rental replacement, and missed deadlines, total cost of ownership (TCO) favors certified aftermarket parts by 41% over 3 years. This replacement push rod for Perkins 1004-40T is engineered to meet ISO 8535-1 standards for diesel engine valve train components — not just fit, but perform.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-rust VCI film, cushioned in molded EPE foam, and packed in double-walled corrugated export cartons
• In-stock items ship within 2–5 working days after payment confirmation
• Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — selected per order volume and urgency
• Real-time tracking provided from warehouse dispatch to final delivery
• Minimum order quantity: 1 piece — supporting urgent repairs and small-fleet operators

Get Your Push Rod Now — Before the Next Valve Adjustment

Your Perkins 1004-40T engine won’t wait — and neither should your parts order. Send us your part number (31434307), machine model (e.g., CASE C100 or Landini Legend 145), and required quantity. You’ll receive a competitive quotation within 24 hours — and if it’s your first order, we’ll ship a sample for testing. Every day delayed is another day your equipment sits idle.

Frequently Asked Questions