Product Categories
- Block & Internal Parts 445
- Camshaft 165
- Camshaft Components 35
- Crankshaft 192
- Crankshaft Components 0
- Connecting Rod 53
- Rods & Main Bearings 0
- Push Rod 0
- Rocker Arm 0
- Thrust Plate 0
- Cylinder Components 87
- Diesel Engine 221
- Fuel Injectors & Nozzles 536
- Turbocharger & Kit 704
- Rebuild Kits 0
- Filters 0
- Fuel System 659
- Common Rail Assembly 48
- Fuel Line 32
- Fuel Pump 191
- Injection Pump 320
- Injection Pump Repair Kit 18
- Pump Head & Rotor 50
- Engine Auxiliary Components 0
- Exhaust Manifolds 0
- Manifold 0
- Manifold Kit 0
- Muffler 0
- Lubrication & Cooling 0
- Oil Cooler 0
- Oil Pan 0
- Oil Pump 0
- Thermostat 0
- Water Pump 0
- Tool Kits 1
- Other Engine Parts 0
Engine Manufacturer
Featured Products
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Bare Cylinder Block 3971383 for Cummins Engine QSC QSC8.3
$2,417.95
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Complete Cylinder Block 3971383 for Cummins Engine QSC QSC8.3
$4,079.95
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4BTdiesel Bare Cylinder Block for Komatsu Engine 4D98E
$1,656.00
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Cylinder Block 4310384 for Cummins Engine QSK23 K23
$19,139.90
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Cylinder Block 7N-6550 for Caterpillar CAT Engine 3306 Loader 966C 966D 966F 970F 972G
$3,068.50
Connecting Rod 3644676 3643083 3640518 for Cummins Engine QSK45 QSK60 QSK60G
Durable Engine Connecting Rods for Reliable Repairs
The connecting rod is one of the core moving parts inside an engine. It links the piston to the crankshaft and helps transfer combustion force into rotating power. Because it works under repeated high pressure, heat, and speed, a replacement connecting rod must be strong, accurately machined, and properly matched to the engine model.
At 4BTdiesel, we supply quality engine connecting rods for diesel engine repair, rebuild, and maintenance applications. Our product range is selected for dependable fitment, stable performance, and practical value, helping repair shops, equipment owners, and parts buyers keep engines running with confidence.
Shop Engine Connecting Rods by Brand and Application
Our connecting rod catalog covers a wide range of popular diesel engine and equipment brands, including but not limited to:
- Kubota
- Mitsubishi
- Yanmar
- Caterpillar CAT
- John Deere
- Isuzu
- Deutz
- Bobcat
- Doosan Daewoo
- Perkins
- Cummins
- JCB
- Furukawa
- Denyo
- Nissan
- New Holland
- and more
These connecting rods are commonly used in diesel engines for tractors, loaders, trucks, crawler dozers, skid steer loaders, construction machinery, agricultural equipment, and industrial applications. Whether you are replacing a worn rod or rebuilding an engine, 4BTdiesel makes it easier to find the right part by engine model, part number, and equipment type.
Common Signs of Connecting Rod Problems
A damaged or worn connecting rod can quickly lead to serious engine failure. Replacing it early can help reduce repair costs and avoid damage to the crankshaft, piston, cylinder block, or bearings.
Engine knocking noise: A repetitive knocking or tapping sound from the lower engine area may indicate excessive clearance, bearing wear, or connecting rod damage.
Loss of engine power: Reduced power, rough running, or poor acceleration can be related to internal engine wear, including connecting rod or bearing issues.
Strong vibration: A bent, loose, or worn connecting rod can affect engine balance and cause abnormal vibration during operation.
Oil pressure or lubrication issues: Connecting rod bearing wear may reduce lubrication efficiency and increase the risk of internal engine damage.
Find the Right Connecting Rod at 4BTdiesel
When choosing a replacement engine connecting rod, accurate fitment matters. 4BTdiesel helps customers source dependable diesel engine parts for repair and rebuild projects, with product options for many engine brands and machinery types.
Browse our connecting rod category to compare available parts, check compatible part numbers, and choose the right solution for your engine. If you are not sure which connecting rod fits your equipment, contact the 4BTdiesel team for help with part number matching and product selection.