Description

Caterpillar 3406E In-Frame Rebuild Kit – Fits Engine Prefixes: 5EK, 6TS, 1LW, 5DS, 2WS

Keep your CAT 3406E diesel engine running strong with this premium-quality in-frame rebuild kit. Designed for maximum reliability and performance, this kit is compatible with Caterpillar engine serial number prefixes 5EK, 6TS, 1LW, 5DS, and 2WS—commonly found in heavy-duty trucks and equipment.

Ideal for in-frame overhauls, this kit includes the essential components to refresh your engine without a full teardown. Each part meets or exceeds OEM standards for durability and performance.

Caterpillar 3406E diesel engine in-frame rebuild kits – Keep your truck on the road for less than you expected!

Works for Serial # prefix 5EK, 6TS, 1LW, 5DS, 2WS

2 Year Warranty – Free Shipping to the lower 48 states

3406E In-Frame Rebuild Kit Content:

6 x Piston Crown

6 x Piston Skirt

6 x Piston Ring-Set

6 x Piston Pin

12 x Piston Pin Retainer

6 x Liner Kits

7 x Main Bearing (Std.)

6 x Rod Bearing (Std.)

2 x Thrust Washer

1 x Head Gasket Set

1 x Set of Injector O-Rings

1 x Rocker Cover Gasket

1 x Oil Pan Gasket

Why Buy This Kit?

• Perfect fit for Caterpillar 3406E engines with serial prefixes: 5EK, 6TS, 1LW, 5DS, 2WS

• High-quality aftermarket components

• Built for performance, longevity, and fuel efficiency

• Fast shipping + diesel parts expert support

Frequently Asked Questions (FAQs):

Q1: Which engines are compatible with this rebuild kit?
A: This kit fits Caterpillar 3406E engines with serial number prefixes 5EK, 6TS, 1LW, 5DS, and 2WS.

Q2: What’s included in this in-frame kit?
A: The kit includes liners, pistons, piston rings, main/rod bearings, a complete gasket set, and front/rear crank seals—everything needed for an in-frame rebuild.

Q3: Are these parts OEM?
A: These are high-quality aftermarket components manufactured to meet or exceed OEM specifications.

Q4: Are the bearings standard size? Can I request oversized bearings?
A: The kit includes standard-size bearings by default. If you need oversized bearings, contact us before ordering.

Q5: Do I need to remove the engine to use this kit?
A: No, this is an in-frame rebuild kit, so engine removal is not necessary. It’s designed for in-chassis engine overhauls.

Q6: Do you offer installation support or instructions?
A: While professional installation is recommended, our diesel experts are available to answer any product-related questions.

Q7: How fast is shipping?
A: Most orders ship within 1–2 business days. We provide tracking once the item leaves our warehouse.