Spare Parts•CAT

CAT 331-0290 Engine Connecting Rod Assembly

Genuine CAT 331-0290 Engine Connecting Rod Assembly for Caterpillar C6.6 C7.1 engine. Factory catalog fitment verification by engine serial number and fast global export delivery.

  • CategoryEngine Core Components
  • Warranty12 Months · Factory QC

Verified Prior to Quotation. Fitment and configuration are cross-checked against your equipment serial number.

Technical Overview

About CAT 331-0290 Engine Connecting Rod Assembly

Genuine original CAT 331-0290 Engine Connecting Rod Assembly (Part No. 331-0290 (cross-reference: 3310290)), engineered for C6.6, C7.1 applications. Supplied by MSDD Engine with full serial-number fitment verification via CAT SIS (Service Information System).

Forged from high-tensile alloy steel and induction-hardened on all bearing journals and wear surfaces, this core powertrain component is dynamically balanced to factory OEM specifications. Designed to withstand peak firing pressures and torsional fatigue during major in-frame or out-of-frame engine rebuilds.

Before dispatch from our Chongqing distribution center, every part undergoes incoming inspection of part markings, sealing integrity, and protective export packaging. Share your engine serial number (S/N) or equipment nameplate with our engineering team to confirm exact supersession compatibility and current stock lead time.

Supply Assurance

MSDD Engine Standards

01
Genuine Quality & Fitment Check

We verify fitment by engine nameplate and serial number, with pre-shipment photos of original packaging.

02
Direct Export Logistics

Direct dispatch from our Chongqing hub for industrial fleets, power plants, and service centers.

03
Locked Commercial Terms

Unit price, completeness, export crating, and lead time are confirmed before invoicing.

Technical Data

Specifications

Reference parameters for engineering selection; exact arrangement details are confirmed prior to shipment. Manufacturer names and part numbers are used for identification reference only.

Part Number331-0290
Cross-Reference / Alternate Numbers3310290
BrandCAT (Caterpillar)
CategoryEngine Core Components
Compatible ModelsC6.6, C7.1
Application / FitmentFor Caterpillar C6.6 C7.1 engine

Engineering Advantage

Why Specify CAT 331-0290 Engine Connecting Rod Assembly

01

Fitment is verified against your engine model and serial number (S/N) via CAT SIS and Perkins SPI part number lookup before quotation.

02

Direct supersession and cross-reference lookup: send your old or alternate part number and we will confirm the latest replacement.

03

100% genuine original factory components in original packaging, verified by pre-shipment warehouse photos and videos.

04

Part numbers, laser markings, original packaging, and completeness are inspected at our warehouse prior to dispatch.

05

Reliable stock availability in Chongqing with fixed lead times and export-grade protective packaging.

Fitment & Cross-Reference

Compatible Models & Part Numbers

Alternate & Cross-Reference Part Numbers

Compatible Engines & Equipment Models

Logistics & Packaging

Delivery Terms

Quantity, export packaging, gross weight, and dispatch lead time are confirmed in your formal quotation.

Packaging
Export-grade protective packaging
Unit Weight
Confirmed per configuration
Minimum Order
1 unit / per enquiry
Lead Time
Confirmed prior to order

Before You Order

Frequently Asked Questions

How do you verify spare part fitment?

Provide your engine model, engine serial number (S/N), and part number. Before issuing a formal quotation, our engineers cross-check fitment against Caterpillar SIS, Perkins SPI, or FG Wilson part number cross-reference systems.

Are your spare parts genuine original products?

Yes. MSDD Engine exclusively supplies 100% genuine original parts in factory-sealed packaging. Before shipment, we provide warehouse photos of original packaging, part markings, and security labels.

Request a Quotation

Submit Your Enquiry

Check Price & Fitment — share your requirements below and our engineers will verify fitment and stock availability.

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