Block & Internal Parts
ISO Certified Quality Assured
2-5 Day Ship In-stock items
3-12M Warranty MOQ 1 piece

Connecting Rod 31A19-10024 for Mitsubishi S3L/S4L Engines – OEM-Replacement Grade

<p>Get back to work faster with a drop-in replacement <strong>connecting rod 31A19-10024 for Mitsubishi S3L/S4L engines</strong> that delivers OEM-equivalent strength and precision—no machining, no guesswork, no downtime. We’ve eliminated the risk of counterfeit rods failing mid-cycle by sourcing only from ISO-certified foundries and verifying every batch with tensile and hardness testing.</p> <ul> <li>Fits S3L, S4L, S3L2, S4L2 engines—and critical legacy tractors like the T233 and T273 without modification</li> <li>Made with forged 42CrMo alloy steel (not cast iron), matching the original heat-treatment profile for fatigue resistance at high RPM</li> <li>Pre-balanced to ±1.5g and honed to exact OEM journal tolerances—ready for assembly straight from the box</li> <li>MOQ 1 piece, shipped same day from Guangzhou warehouse when in stock</li> </ul>

MOQ

1 Piece

Lead Time

2-5 Business Days

Shipping

120+ Countries

Warranty

3-12 Months

Compatible Brands

CAT Komatsu Hitachi Volvo Hyundai Doosan Kobelco SANY XCMG

Product Specifications

ParameterDetails
Part NameConnecting Rod
Part Number (OEM Reference)31A19-10024, 31A1910024
Brand CompatibilityMitsubishi
Machine Model FitmentT233, T273, T353 tractors
Engine Model FitmentMitsubishi S3L, S3L2, S4L, S4L2 engines
ConditionNew Aftermarket
Warranty6 months against manufacturing defects
PackagingIndividual protective packaging with anti-rust oil and rigid cardboard box

Compatible Models

BrandApplicable Models
MitsubishiS3L, S3L2, S4L, S4L2
Mitsubishi TractorT233, T273, T353

Tired of Engine Failure Due to Weak Connecting Rods? Get the Right 31A19-10024 Connecting Rod for Your Mitsubishi S3L/S4L Engine

Every unscheduled engine shutdown on a T233 or T273 tractor costs hundreds in labor, downtime, and missed deadlines. Counterfeit or low-grade connecting rods crack under load, causing catastrophic failure — especially during high-torque field operations. OEM replacements take weeks and cost up to 45% more, while generic parts lack traceable material specs and heat treatment records.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This 31A19-10024 connecting rod is manufactured in ISO 9001-certified facilities with full traceability, tested for tensile strength and fatigue resistance before shipment. Built for Mitsubishi S3L2 and S4L2 engine rebuilds, it supports continuous operation in agricultural and construction duty cycles. With 10 years’ experience supplying heavy equipment parts to 120+ countries, XUNPO ensures precise fitment without guesswork or trial-and-error.

Where This Part Works

This connecting rod operates under high-compression, variable-load conditions typical in rice paddy tillage, hillside plowing, and quarry transport using Mitsubishi-powered tractors. In T273 units working 12+ hours daily, rod integrity directly affects crankshaft alignment, oil pressure stability, and combustion efficiency. A single failed rod can damage the block, requiring full engine replacement — making correct specification non-negotiable.

Engineering Details That Matter

Forged from SAE 1045 medium-carbon steel, this rod undergoes quench-and-temper heat treatment to achieve 850–950 MPa tensile strength and Rockwell C32–C36 hardness — matching OEM S3L2 service specifications. The big-end bore is precision honed to ±0.005 mm tolerance for exact bearing clearance. Shot-peened surface finish improves fatigue life by 22% over cast alternatives. Each rod carries laser-etched part number and batch code for full production traceability.

The Real Cost of Wrong Parts

A $28 counterfeit rod may save $12 upfront but often fails within 150 operating hours — triggering $1,800 in labor, $3,200 in crankshaft repair, and 3+ days of field idleness. Genuine 31A1910024 rod for S3L2 meets JIS G4051 standards and delivers 1,200+ hour service life under ISO 8573-1 Class 3 air cleanliness conditions. Total cost of ownership drops 37% when factoring reliability, warranty coverage, and avoided secondary damage — not just unit price.

Why Customers Trust XUNPO

— We source exclusively from ISO 9001-certified factories; all incoming raw materials undergo hardness and chemical composition verification.
— Every 31A19-10024 connecting rod passes dynamic load testing at 1.5× rated torque before packing.
— 6-month warranty covers manufacturing defects — no questions asked, no restocking fees.
— 10 years exporting to North America, Southeast Asia, and Africa — verified by 1,200+ repeat clients.
— Our 22-person technical team confirms part compatibility using OEM service manuals and cross-reference databases — response within 2 hours.
— 10,000+ SKUs held in our Guangzhou warehouse — 31A19-10024 is stocked and ships in 2–5 working days.

Packaging & Shipping

  • Individually sealed in vacuum-formed plastic tray with rust-inhibiting oil coating, then packed in reinforced corrugated box
  • 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), or sea freight (25–40 days)
  • Real-time tracking ID provided upon dispatch, updated until door delivery
  • MOQ is 1 piece — designed for urgent field repairs and small-batch engine rebuilds

Get Your 31A19-10024 Connecting Rod Now

Your T233 tractor won’t wait — every hour offline cuts into seasonal revenue. Send us your part number, machine model, and required quantity today. You’ll receive a competitive quote within 24 hours, and if it’s your first order, we’ll ship a sample for bench testing before bulk commitment. Fast, accurate, and backed by engineering rigor.

Frequently Asked Questions

Q: Is this an original Mitsubishi part or an aftermarket replacement?

A: This is an OEM-equivalent aftermarket connecting rod, produced in ISO 9001-certified facilities to meet Mitsubishi S3L/S4L dimensional and material specifications.

Q: How do I confirm this 31A19-10024 connecting rod fits my T273 tractor?

A: Provide your engine serial number or tractor VIN — our technical team verifies compatibility against OEM service bulletins and responds within 2 hours.

Q: What is the warranty period for this connecting rod?

A: 6 months from date of delivery, covering manufacturing defects only. Proof of proper installation and engine condition required for claims.

Q: What is the minimum order quantity?

A: 1 piece — no exceptions. Ideal for urgent repairs, prototype builds, or validation before larger orders.

Q: How long does shipping take after payment?

A: In-stock 31A19-10024 rods ship within 2–5 working days. Express courier delivery time depends on destination — typically 3–7 business days worldwide.

Q: Can I request a physical sample before placing a bulk order?

A: Yes. First-time customers may request one sample unit at cost plus shipping. Sample testing is encouraged to verify fit and finish prior to volume procurement.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com

Part Type Block & Internal Parts
MOQ 1 Piece
Lead Time 2-5 Business Days (in-stock)
Packaging Export Standard Packaging
Quality ISO Certified Factory
Warranty 3-12 Months
Origin Guangzhou, China
Compatibility CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, SANY, XCMG

Shipping Policy

  • ✓ In-stock items dispatched in 2-5 business days
  • ✓ Multiple freight options: Express, Air, Sea
  • ✓ Real-time tracking provided
  • ✓ Ships to 120+ countries worldwide
  • ✓ Export-standard packaging for all items

Warranty & Quality

  • ✓ 3-12 month warranty on all parts
  • ✓ ISO-certified factory partners
  • ✓ Strict QC inspection before dispatch
  • ✓ Zero counterfeit policy -- guaranteed
  • ✓ Optional sample testing for new buyers
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