Product Introduction: A forged steel connecting rod with precision-machined big-end and small-end bores, featuring a bronze bushing in the small end and a surface-hardened finish for durability. Marked with the “FORTRUK” brand identifier.

Product Function: Connects the piston to the crankshaft, converting the linear motion of the piston into the rotational motion of the crankshaft. It transmits combustion forces to the crankshaft, enabling the engine to generate torque.

Engine Connecting Rod 3698310 for Cummins ISG, QSG and F Series – OEM-Grade Performance Delivered

Every revolution your engine makes depends on one critical link between piston and crankshaft. The Engine Connecting Rod 3698310 is purpose-engineered for Cummins ISG, QSG, and F series powertrains — converting violent reciprocating force into smooth rotational energy millions of times across its service life. Sourced directly from METTLEAD Truck Parts with strict quality control, this connecting rod delivers factory-spec durability at a competitive ex-factory price, keeping your fleet on the road and your maintenance budget intact.

How the 3698310 Connecting Rod Works Inside Your Cummins Engine

The connecting rod sits at the heart of the engine’s power conversion system. It bridges the piston pin (small end) to the crankshaft journal (big end), translating the piston’s high-speed reciprocating motion into the crankshaft’s rotational output. In Cummins ISG and QSG platforms — which produce up to 560 hp and 2,600 N·m of torque — the 3698310 rod endures enormous inertial and combustion loads on every firing stroke. Its fracture-split big-end design ensures precise cap alignment and superior clamping force, maintaining bearing integrity under extreme thermal and mechanical stress.

Key Features and Benefits of Engine Connecting Rod 3698310

• OEM Cross-Reference: Direct replacement for Cummins part number 3698310 — bolt-in fitment, zero modification required.
• Forged Steel Construction: Manufactured from high-strength micro-alloyed steel (C70S6 equivalent) for fatigue resistance exceeding 10⁷ load cycles.
• Fracture-Split Big End: Crack-split mating surfaces guarantee repeatable cap positioning within ±0.005 mm, preserving bearing crush and oil clearance.
• Weight-Matched Tolerance: Each rod is balanced to ±4 g total weight, minimizing engine vibration and extending bearing life.
• Shot-Peened Surface: Compressive residual stress layer resists micro-crack initiation at the I-beam transition radii.
• Cost-Efficient Supply: Factory-direct pricing from China eliminates multi-tier distributor markups — typically 30–45% savings vs. aftermarket channels in Europe or the Middle East.
• Custom Packaging Available: White-label and OEM-branded packaging to support your distribution brand identity.

Technical Specifications – Engine Connecting Rod 3698310

Application Scenarios – Vehicles Powered by Cummins ISG/QSG/F Engines

The Engine Connecting Rod 3698310 serves as a mission-critical component across a wide family of heavy-duty commercial vehicles. Wherever a Cummins ISG or QSG powerplant turns, this rod is at work:

• FOTON Auman (EST-A / GTL series): China’s flagship heavy hauler mates the Cummins ISG12 engine as its primary powertrain. The 3698310 connecting rod lives inside every ISG-equipped Auman tractor running long-haul logistics across Asia, Africa, and the Middle East.
• FOTON Aumark S (Medium-Duty): Vehicles fitted with Cummins F3.8 and F4.5 engines for urban distribution rely on the same rod architecture for responsive mid-range torque delivery.
• Mining and Construction Equipment: QSG12 engines in off-highway loaders, generators, and water pumps demand connecting rods that survive constant high-load cycling and dusty thermal extremes.
• Bus and Coach Applications: Inter-city coaches using Cummins ISG platforms benefit from the rod’s low-NVH balance quality for passenger comfort.

If your fleet operates FOTON Auman heavy trucks or any machinery running Cummins ISG/QSG power, the 3698310 rod is not optional — it is the load-bearing link that keeps revenue rolling.

OEM/ODM Capabilities – Your Brand, Our Quality

• White-Label Packaging: We produce neutral or customer-branded boxes with your logo, part number stickers, and barcode labels. Minimum order for custom packaging starts at just 100 pieces.
• Custom Kitting: Connecting rods can be packed as complete rebuild kits (rod + bearings + bolts + bushings) to increase your average order value.
• Strict Quality Gate: Each 3698310 rod undergoes dimensional CMM inspection, magnetic particle testing (MT) for crack detection, and weight sorting before dispatch.
• Flexible Payment Terms: T/T, L/C at sight, and trade assurance options available — structured for wholesale buyers and distributors.
• Factory Visits Welcome: Our facility is open for customer audits. See the forging, machining, and inspection lines firsthand.

Customer Case Study – Engine Connecting Rod 3698310 Bulk Order for East African Distributor

In Q1 2024, a Nairobi-based truck parts distributor approached METTLEAD with an urgent requirement: their top client — a logistics fleet running 74 FOTON Auman tractors with Cummins ISG12 engines — needed Engine Connecting Rod 3698310 replacements for a scheduled 500,000 km overhaul program. Previous sourcing from a third-party trader had resulted in weight-mismatched rods causing premature bearing wear.

METTLEAD supplied 320 pieces of 3698310 connecting rods, individually weight-matched within ±4 g and packed in branded kits. Delivery was completed in 18 working days CIF Mombasa. Post-installation feedback confirmed zero warranty claims across the first 120,000 km inspection cycle — translating to a 100% first-pass quality rate and a repeat order placed within 90 days.

This case illustrates exactly what procurement managers value: the right part, verified quality, delivered fast, at a price that protects your margin.

Frequently Asked Questions – Engine Connecting Rod 3698310

What engines does the 3698310 connecting rod fit?

The 3698310 is designed for Cummins ISG12, QSG12, and selected F-series (F3.8/F4.5) engines. It is a direct OEM-spec replacement that requires no machining or modification during installation.

Why does weight-matching matter for engine connecting rods?

Unbalanced rods create uneven inertial forces at high RPM, causing vibration, accelerated bearing wear, and potential crankshaft fatigue. Every 3698310 rod from METTLEAD is sorted to ±4 g tolerance — when you order a set of six, they work together as a team, not a random group of individuals.

How do I verify this connecting rod meets OEM specifications?

Each batch ships with a dimensional inspection report (CMM data), material certificate (chemical composition and hardness), and MT (magnetic particle test) certification. We can also provide cross-reference documentation to Cummins CES 14101 material standards upon request.

What is the typical service life of the 3698310 rod?

Under normal operating conditions and proper maintenance intervals, the rod is engineered to last the full major overhaul life of the engine — typically 800,000 to 1,200,000 km in line-haul applications. Premature failure almost always traces back to lubrication issues or improper bolt torque, not rod fatigue.

Can I order connecting rods as part of a complete engine rebuild kit?

Yes. METTLEAD offers custom kitting with rod bearings, rod bolts, and small-end bushings packaged together. This saves you time cross-referencing parts and reduces shipping costs. Browse our full engine components catalog for related items.

What is the minimum order quantity for Engine Connecting Rod 3698310?

Standard MOQ is 6 pieces (one engine set). For custom-packaged or white-label orders, MOQ is 100 pieces. Sample orders of 1–2 rods are available for quality validation before committing to volume.

Secure Your Supply of Engine Connecting Rod 3698310 – Request a Quote Today

Your engines will not wait, and neither should your parts supply chain. Whether you need a single engine set for a workshop repair or container-load quantities for regional distribution, METTLEAD delivers Engine Connecting Rod 3698310 at factory-direct pricing with full traceability documentation.

Ready to move forward? Tell us your quantity, destination port, and preferred Incoterms — we will respond within 12 business hours with a firm quotation, lead time, and shipping plan.

Contact us now to get your personalized quote for Engine Connecting Rod 3698310

METTLEAD Truck Parts — China’s factory-direct source for Cummins, SINOTRUK, SHACMAN, FAW, FOTON, and WEICHAI genuine-quality replacement parts. Strict quality control. Competitive pricing. Global delivery.