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Details
| Specification | Value |
|---|---|
| Brand | NK |
| Category | bearing |
| Inner Diameter [mm] | 42 mm |
| Outer Diameter [mm] | 78 mm |
| Net weight [kg] | 0.79 kg |
OE numbers (5)
Search by this OE number to find compatible parts
- KIA—21720 2H500
- HYUNDAI—51718 2H000
- HYUNDAI / KIA—51720 0Q000
- KIA / HYUNDAI—51720 2H000
- KIA—51720 2K000
Where this part fits
Original-fit position for OE 517182H000. The red ring marks where this part installs on the vehicle.
About this product
When bearing performance matters, the NK 753420 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Inner Diameter [mm]: 42 mm, Outer Diameter [mm]: 78 mm, Net weight [kg]: 0, 79 kg. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with HYUNDAI, KIA vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 050874B, 174162, 201181, 21720 2H500 and 32 more. Matching these numbers confirms a like-for-like replacement with no loss of function. NK 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.
About NK
NK, part of the Nordisk Kartro Group founded in Denmark, is a well-established aftermarket brand with over 50 years of experience in automotive replacement parts. NK specialises in brake discs, brake pads, brake cables, wheel cylinders, and suspension components. All NK products are manufactured to meet or exceed OE specifications, with rigorous quality control throughout the production process. Combining Scandinavian quality values with competitive pricing, NK provides reliable braking and suspension parts trusted by workshops across Europe.
Suitable cars
Equivalent products (30)
Show all 30 OE numbers
bearing NK 753420 — compatible car models
| Car models | HYUNDAI: ELANTRA IV Saloon (HD), ELANTRA V Saloon (MD, UD), i30 Estate (FD), i30 (FD), ix20 (JC), VELOSTER (FS); KIA: CEE'D Hatchback (ED), CEE'D SW (ED), CERATO I Hatchback (LD), CERATO III Saloon (YD), CERATO II Saloon (TD), CERATO I Saloon (LD), CERATO IV Saloon (BD, BDM), CERATO KOUP III (YD), CERATO KOUP II (TD), MAGENTIS I (GD, MS) (+5 more) |
|---|---|
| Engines | 1.6 CVVT; 1.6; 1.4; 1.6 GDi; 1.5 CRDi; 2.0 MPi; 1.6 T-GDI; 2.0; 1.6 CRDi 128; CRDi; 1.4 CRDi 75 |
| Year of manufacture | 2001-2019 |
| Manufacturer article number (MPN) | 753420 |
| OE part numbers | 21720 2H500, 51718 2H000, 51720 0Q000, 51720 2H000, 51720 2K000 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
NK 753420 bearing. Inner Diameter [mm]: 42 mm. Net weight [kg]: 0,79 kg. Outer Diameter [mm]: 78 mm
- 1x bearing
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 bearing compatible with my car?
This bearing fits HYUNDAI, 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 NK bearing have?
This NK bearing has the following specifications: Inner Diameter [mm]: 42 mm; Outer Diameter [mm]: 78 mm; Net weight [kg]: 0,79 kg. Check the full specifications table above for complete details.
What OE part numbers does this bearing replace?
This bearing replaces OE part numbers: 21720 2H500, 51718 2H000, 51720 0Q000, 51720 2H000, 51720 2K000. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a bearing cost?
Bearing prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this NK bearing. All parts come with our 14-day money-back guarantee.
How do I know when to replace my bearing?
Regular inspection of your bearing 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 bearing?
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 bearing fitted by a professional mechanic.
Can I use this part as a replacement for OE 21720 2H500?
Yes, this NK bearing is a direct replacement for OE part number 21720 2H500. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
