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Details
| Specification | Value |
|---|---|
| Brand | KING |
| MPN | mb5256am |
OE numbers (3)
Search by this OE number to find compatible parts
- HYUNDAI—21010-23140
- HYUNDAI—21020-23140
- HYUNDAI—21020-23901
Where this part fits
Original-fit position for OE 2102023140. The red ring marks where this part installs on the vehicle.
What's in the kit
This kit ships with 3 factory-matched components. Each part below is supplied as part of the kit; click any linked MPN to view that component on its own.
| # | Part number | Component | Qty |
|---|---|---|---|
| 1 | M5256/1L-AM | Crankshaft Bearing
| 4 |
| 2 | M5256/1U-AM | Crankshaft Bearing
| 4 |
| 3 | M5256/3-AM | Crankshaft Bearing
| 2 |
About this product
The KING Crankshaft Bearing Set (MB5256AM) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. Verified to fit HYUNDAI, HYUNDAI (BEIJING), KIA models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 21010-23140, 21020-23140, 21020-23901, MS-3878A STD. Matching these numbers confirms a like-for-like replacement with no loss of function. KING is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (1)
Crankshaft Bearing Set KING MB5256AM — compatible car models
| Car models | HYUNDAI: COUPE II (GK), COUPE I (RD), ELANTRA III Saloon (XD), ELANTRA III (XD), ELANTRA IV Estate, ELANTRA IV Saloon (HD), ELANTRA V Estate, HIGHWAY VAN, i30 Estate (FD), i30 (FD) (+10 more); HYUNDAI (BEIJING): ELANTRA Saloon (XD), SONATA (EF); KIA: CARENS I MPV (FC, FJ), CEE'D Hatchback (ED), CEE'D SW (ED), CERATO I Hatchback (LD), CERATO I Saloon (LD), PRO CEE'D (ED), SOUL I (AM), SPORTAGE II (JE, KM) |
|---|---|
| Engines | 2.0; 2.0 16V; 1.8; 2.0 CVVT; 1.8 16V; 1.8 i; CVVT; 2.0 16V 4WD |
| Year of manufacture | 1988-2019 |
| Manufacturer article number (MPN) | MB5256AM |
| OE part numbers | 21010-23140, 21020-23140, 21020-23901 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
KING mb5256am . MB5256AM
- 1x Crankshaft Bearing Set
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Crankshaft Bearing Set compatible with my car?
This Crankshaft Bearing Set fits HYUNDAI, HYUNDAI (BEIJING), KIA vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this KING Crankshaft Bearing Set have?
The package includes the Crankshaft Bearing Set as described in the specifications above. Check the "What's included" section for a full list of components. If mounting hardware or accessories are required, they will be listed separately.
What OE part numbers does this Crankshaft Bearing Set replace?
This Crankshaft Bearing Set replaces OE part numbers: 21010-23140, 21020-23140, 21020-23901. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Crankshaft Bearing Set cost?
This KING Crankshaft Bearing Set is available for £43.99. Crankshaft Bearing Set prices vary depending on brand, specifications, and vehicle compatibility. KING parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Crankshaft Bearing Set?
Regular inspection of your Crankshaft Bearing Set is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Crankshaft Bearing Set?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Crankshaft Bearing Set fitted by a professional mechanic.
Can I use this part as a replacement for OE 21010-23140?
Yes, this KING Crankshaft Bearing Set is a direct replacement for OE part number 21010-23140. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
