BHAGAT FORGE PVT. LTD.
Ludhiana, Punjab
Industries: Railways, Automotive, Industrial Machinery
+91 62394 42089 · info@bhagatforge.com · Website
Listed manufacturers
Dev Precision Engineers
Rajkot, Gujarat
Industries: Marine
+91-9879574372 · devprecisionengineers@gmail.comdrop · Website
Shivam Sales Corporation
Bhavnagar, Gujarat
+91 80001 51345 · spares@shivamsalescorporation.com · Website
Atrac Engineering Co LLP
Rajkot, Gujarat
Industries: Packaging, Automotive
+91 98923 21153 · info@atracparts.com · Website
Related categories
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Internal Combustion Engines
Diesel and petrol engines, generator sets and engine components such as pistons, liners and crankshafts.
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Machine Tools
Lathes, milling machines, CNC machining centres, grinders, presses and tooling accessories.
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Ferrous Industrial Castings
Grey iron, ductile iron and steel castings for pumps, valves, automotive, machinery and construction equipment.
ExploreTypical diesel & oil engine spares products
Cylinder linersPistons and piston ringsCrankshaftsValves and valve guidesAir-cooled blocks
Typical products for this category, not a claim about any one company’s range.
What are diesel & oil engine spares?
Diesel and oil engine spares are the wearing and replacement parts of small and medium engines used in pump sets, generators, tractors, boats and farm machinery: cylinder liners, pistons and rings, crankshafts, valves and guides, rocker arms and air-cooled blocks. Fit and metallurgy decide how long an overhauled engine lasts, so the part must match the engine exactly and be made from the right material.
How to choose
- Identify the engine precisely: make, model, bore, stroke, cooling type and serial range. Many parts look alike and differ by fractions of a millimetre.
- Ask whether the part is made to the engine maker’s drawing or copied from a worn sample. Dimensions taken from a worn part are usually wrong.
- Check the material and hardness of liners, rings and valves, and whether liners are centrifugally cast, since structure and wear resistance depend on it.
- Buy matched sets where they exist, such as liner, piston, rings and pin together, so clearances are controlled.
- Ask for a material test certificate and dimensional report for a sample from each batch, and for batch marking so a failure can be traced.
- Check packaging: bright machined surfaces corrode in transit unless oiled and wrapped.
- Start with a small order, fit it, and review wear and oil consumption before committing volume.
Specifications to confirm with the supplier
| Specification | What to ask |
|---|---|
| Engine make and model | The exact application the part is made for, including bore and stroke. |
| Material and hardness | Alloy or iron grade and hardness range for liners, rings, valves and shafts. |
| Dimensional tolerance | Bore, outside diameter, ovality and surface finish against the drawing. |
| Manufacturing process | Centrifugal or static casting, forging, grinding and honing steps, and which are in-house. |
| Traceability | Batch marking and the inspection record kept for each lot. |
| Packing and corrosion protection | Oiling, wrapping and carton protection for long transit. |
Where it is used
- AgricultureReplacement parts for tractors, pump sets and farm engines.
- MarineSpares for small marine and fishing-boat engines.
- AutomotiveOverhaul parts for commercial and three-wheeler engines.
Frequently asked questions
Are aftermarket engine parts as good as original ones?
It depends on the maker. A part made to the engine maker’s drawing, in the right material and checked on a sample from each batch, can perform well. Ask for the material certificate and dimensional report and judge each supplier on its evidence.
Why do liners and pistons need to be matched?
The clearance between piston and liner controls compression, oil consumption and wear. Parts supplied as a matched set keep that clearance within the intended range.
What should I send with an enquiry?
The engine make and model, the part name or number, a drawing or the old part if available, the quantity and the delivery location.
How do I check a spare part before fitting it?
Measure it against the drawing or the part it replaces, check the markings and material certificate, and inspect surfaces for casting or machining defects.