Part evidence first
Send the drawing, sample photos, worn surface, broken area, dimensions, material notes, and quantity before asking for price.
Obsolete Castings & Replacement Parts
Replace obsolete metal parts from a drawing, sample, or worn component.
JK Casting reviews replacement castings and obsolete casting spare parts from your drawing, sample, or worn-part evidence in carbon steel, ductile iron and grey iron, then confirms a practical casting and machining route before quotation. Send 2D or 3D files, a sample or measured photos, plus material notes, quantity and fit requirements.
This page covers replacement castings and their associated machining; standalone machining orders are outside our scope.
Best RFQ fitDrawings · worn samples · measured photos · material · quantity
Failure evidenceNon-catalog partsSmall batchesFit review
Direct answer
Obsolete casting replacement from a China foundry.
JK Casting is a foundry in Shandong, China that makes replacement castings for discontinued and worn ferrous parts. Regular materials are carbon steel, ductile iron and grey iron, cast by sand casting, including resin-coated sand shell moulds, or by investment casting, with CNC machining where the part must fit existing equipment. Parts are made to order in small to medium batches and repeat orders, not supplied from a stock catalog.
Ductile and grey iron replacements are sand cast (see iron castings and ductile iron castings). Steel replacements are sand cast or investment cast (see steel castings and investment casting); the sand casting page covers the sand and shell mould routes.
No drawing? JK Casting can scan a sample and prepare a drawing for your approval before tooling is made. The full route is explained in making a casting from a sample.
Route before quote
We review replacement casting requirements together with any associated machining, surface treatment, and inspection before quotation.
Fit-to-equipment review
Critical holes, faces, threads, pins, bushings, and assembly positions are treated as review points, not generic catalog claims.
Replacement product examples
Real JK part photos for replacement-route review.
These first-party photos show component types JK Casting can review for drawing-based or sample-based manufacture. They do not claim that every photographed part was reverse-engineered from a worn sample; each replacement still requires confirmed material, dimensions, use conditions, quantity, and inspection points.
Supplier-fit decisions
Casting spare parts when the original is not a standard stock item.
Obsolete casting replacement is a good fit when the buyer has enough evidence to define the part, but the item is discontinued, damaged, non-catalog, or needs a supplier to review the process route.
Good fit
- Discontinued castings or machined metal spares
- Worn samples that need dimensional review
- Repair brackets, housings, clamp bodies, covers, guards, bushings, and pins
- Wear parts such as bucket teeth, cast to drawing or sample in low-alloy wear-resistant steel or high-manganese steel (ZGMn13 type)
- Small or medium batches that must fit existing equipment
- Second-source or supplier-transfer projects for an existing machined casting, using the drawings, samples, or tooling information you already have
Not a good fit
- Commodity stock items with no drawing or sample requirement
- Safety-critical certified parts without full approval documents
- Brand-marked replacement claims without written authorization
- Requests missing material, quantity, dimensions, or application details
- One- or two-piece orders: a casting needs tooling first, so single pieces are rarely economical
Replacement review matrix
What we look for before preparing a quotation.
We can review photos and worn samples, but worn geometry is not copied as worn. Final scope still needs confirmed dimensions, material, tolerance, use conditions, and inspection points, restored against the mating parts or an approved drawing.
Cracks, wear zones, broken lugs, deformed holes, missing threads, or corrosion notes help us understand where the replacement part must be controlled.
For replacement castings, the casting route and any required machining, heat treatment, coating, and inspection are reviewed together. The quotation confirms the accepted manufacturing scope.
Packing, marking, protection against rust, and batch inspection requirements are reviewed for overseas replacement-part supply.
Replacement RFQ package
Send enough evidence for a practical first review.
Clear files prevent false pricing. A replacement RFQ should show the part geometry, damaged or worn areas, quantity expectation, material target, and any fit surfaces that cannot change. Drawing review explains how drawings, 3D models and samples are checked before quotation.
- 2D drawing, 3D file, sample, or worn-part photos
- Material grade, hardness, finish, and quantity
- Critical dimensions, holes, faces, threads, bushings, or pins
- Assembly position and equipment model context
- Failure reason, wear surface, corrosion, or broken area
- Inspection, packing, marking, and delivery requirements
Replacement Parts FAQ
Short answers before sending a repair-part RFQ.
Can JK Casting quote a replacement part without a complete drawing?
Yes. JK Casting can start a replacement casting or obsolete spare part review from a worn sample, photos, partial drawings, dimensions, material notes, quantity and application details. A final quotation depends on confirmed dimensions, material, tolerances and inspection points.
What replacement parts are a good fit for review?
Good-fit inquiries include non-standard metal spares, discontinued castings, machined repair parts, brackets, covers, guards, housings, supports, bushings, pins, clamp bodies, and small or medium-batch parts that can be reviewed from real requirements.
Do you supply standard catalog spare parts?
This page is focused on drawing-based or sample-based replacement metal parts. If the item is a standard catalog part with no custom requirement, a stock distributor may be a better route.
What information should buyers send for a replacement-part RFQ?
Please send drawings or 3D files if available, sample or worn-part photos, material grade, quantity, critical dimensions, surface treatment, application environment, and inspection requirements.
Can JK Casting produce an obsolete casting replacement without OEM drawings?
Yes. JK Casting can scan a physical sample and prepare a drawing for your approval, or start from measured photos or partial drawings, then confirm dimensions, material, tolerances, quantity and inspection points before quoting. Worn surfaces are not copied as worn by default; critical fits are restored against the mating parts and the approved drawing. The casting-from-sample guide explains the full route.
What materials and processes does JK use for casting spare parts?
Regular materials are carbon steel, ductile iron and grey iron. Iron parts are sand cast; steel parts are sand cast or investment cast, and the sand routes include resin-coated sand shell moulds. CNC machining is added when the part requires it. Stainless steel and alloy steel are reviewed part by part; aluminium, bronze and die casting are not regular offerings.
Send replacement part details.
Drawings, photos, material, quantity, dimensions, surface treatment, and application notes are enough for an initial fit review.