London Engine Parts Market Hot Deals - Cummins QSB4.5 Engine Rebuild Kit Featuring Piston 3939398, Liner 3904166, and Piston Ring 4089982

Unbeatable Value on Cummins QSB4.5 Rebuild Components

Upgrade your engine performance with our premium quality replacement parts for the Cummins QSB4.5 engine model. Honour Time Machinery Limited is your trusted supplier for reliable and durable engine components. This kit features the essential parts needed for a comprehensive engine overhaul, focusing on the combustion system's core. We stock a wide range of parts for Cummins, Komatsu, and Caterpillar machinery, ensuring you get the right component every time for your diesel engine components needs.

Featured Product Details: Piston and Liner

The critical components for your QSB4.5 engine repair are available now. The Piston Part Number is 3939398, also searchable as 3939398. This piston is engineered for optimal fit and performance, reducing friction and wear. Paired with it is the Cylinder Liner Part Number 3904166, also known as 3904166. We ensure all parts meet or exceed OEM specifications, making us the top choice for Cummins engine rebuild kit price and engine parts wholesale.

Piston Ring Set and General Engine Spares

Completing the set is the Piston Ring Set, which is vital for sealing the combustion chamber and regulating oil consumption. For the QSB4.5, a representative part number for the Piston Ring Set is 4089982, which can also be found as 4089982. Beyond these, our inventory includes full Engine Overhaul Kits, Crankshaft Bearings (main and con-rod), Thrust Washers, Diesel Fuel Pumps, Injectors, Crankshafts, and Turbochargers. We are your one-stop shop for all excavator engine parts and bulldozer engine components.

Technical Focus: Engineering Machinery Component Glossary

Understanding your engine components is key to maintenance. Here are a few essential terms relevant to our range of parts for brands like Isuzu, Kubota, Yanmar, and Weichai:

• Cylinder Liner (3904166): A replaceable cylindrical part fitted into the engine block (Cylinder Block) to form the cylinder wall. Example: Caterpillar 3406 Engine Cylinder Liner.

• Piston (3939398): The main moving part in a cylinder, converting force from expanding gas into rotational motion. Example: Komatsu PC200-8 Piston.

• Piston Ring (4089982): Rings (Compression/Oil Control) fitted into grooves on the piston to seal the combustion chamber and manage oil. Example: Isuzu 4HK1 Piston Ring Set.

• Connecting Rod Bearing (Con Rod Bearing): The bearing shell installed between the connecting rod and the crankshaft's crankpin. Example: Kubota V3307 Connecting Rod Bearing.

• Main Bearing (Crankshaft Bearing): The bearing supporting the crankshaft in the Engine Block. Example: Yanmar 4TNV98 Main Bearing Set.

• Thrust Washer: A flat washer used to limit the axial movement of the crankshaft. Example: Weichai WP10 Thrust Washer.

• Water Pump: Circulates coolant from the radiator to the engine block and back. Example: Cummins 6BT Water Pump.

• Oil Pump: Circulates pressurized engine oil to lubricate bearings and pistons. Example: Caterpillar C7 Oil Pump.

• Cylinder Head: Sits on top of the Cylinder Block, forming the combustion chamber and housing the valves. Example: Komatsu S6D107 Cylinder Head.

• Turbocharger: Increases the density of air entering the engine for greater power, mounted on the exhaust manifold. Example: Isuzu 6BG1 Turbocharger.

Engine Fault Scenario and Solution

Engine Fault: Cummins ISBe 220 30 Engine Knocking Noise

Symptom: A persistent, heavy knocking noise is heard from the lower engine area of a Cummins ISBe 220 30 engine during operation, especially pronounced under load.

Diagnosis & Solution: This noise is often indicative of a Connecting Rod Bearing failure. The bearing has worn down or seized, causing excessive clearance between the con rod and the crankshaft journal. Immediate action is required to prevent catastrophic engine failure.

1. Stop the engine immediately to prevent further damage to the Crankshaft.

2. Disassemble the oil pan and inspect the con-rod caps.

3. Confirm the failure by checking the bearing shells (e.g., scoring, pitting).

4. Replace the faulty Connecting Rod Bearing set (and possibly the Main Bearing Set) with new parts from Honour Time Machinery Limited.

5. Inspect and, if necessary, machine or replace the Crankshaft if the journals are scored or out of tolerance.

Partner with Honour Time Machinery Limited - Your Global Engine Parts Expert

We are a dedicated supplier of Engine Assemblies and a full range of spare parts for all major construction and agricultural brands. Our core product line includes Cylinder Liner, Piston, Piston Ring, Crankshaft Bearing, Connecting Rod Bearing, Overhaul Kit, Fuel Pump, Injector, Crankshaft, Turbocharger, Water Pump, Oil Pump, Cylinder Block, Cylinder Head, and Connecting Rod. We specialize in providing high-quality solutions for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai engines, catering to the global engine parts supplier market.

We proudly offer a vast inventory of Genuine and High-Quality Aftermarket Parts, focusing on engine rebuild parts, heavy duty engine components, and specialized items like diesel engine repair kits and construction machinery engine spares. Get your QSB4.5 engine spare parts directly from the Source Manufacturer for the best value and quality.

Contact Our Engine Parts Experts Today!

Ready to secure your Cummins QSB4.5 Piston 3939398, Liner 3904166, or Piston Ring 4089982? Contact Honour Time Machinery Limited today for pricing and global shipping details. We support all your diesel engine parts supplier needs, from a single component to large wholesale engine parts orders.