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Wheel Bearing Kit OPTIMAL 401721
Wheel Bearing Set OPTIMAL 401721. Fits 5 car models (MERCEDES-BENZ), 2011–2019. Replaces 2 OE numbers.

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Specification. From the manufacturer's data.
- Brand
- OPTIMAL
- Category
- Wheel Bearing Set
- Width [mm]
- 59 mm
- Outer Diameter [mm]
- 152 mm
- Outer Diameter 1 [mm]
- 102 mm
- MPN
- 401721
- SKU
- 0129-401721
- GTIN / EAN
- 4031185683531
- What's included
- 1x Wheel Bearing Set
OE numbers. The originals this part replaces.
Numbers the vehicle makers and other brands use for this part. Only a confirmed OE number links to its own page; other brands' equivalents are under “Equivalent products”.
- MERCEDES-BENZ1663340206
- MERCEDES-BENZA1663340206
Equivalent products. They fit in the same place.
2 available · 18 numbers
Check availability
All 18 cross-reference numbers
Numbers other makers give for this part. They are aftermarket numbers, not the vehicle maker's OE numbers; a linked number is one we sell.
- A.B.S. 201626
- Automotive Bearings ABK2087
- BENDIX 052166B
- BRT Bearings PWK2087
- FEBI BILSTEIN 182438
- METZGER AUTOTEILE WM 2198
- MEYLE 146520007
- MOOG ME-WB-12866
- NAPA PWB1475
- RHIAG 682300
- RHIAG 10558039
- RUVILLE 5164
- Schaeffler FAG 713668190
- SKF VKBA6784
- SNR R15161
- STARLINE LO 26784
- SWAG 33 10 8602
- TRISCAN 853023132
Compatible cars. MERCEDES-BENZ, 5 models.
Matched from the manufacturer's data. Production years 2011–2019.
| Model | Engines | Years |
|---|---|---|
| MERCEDES-BENZ5 models | ||
| MERCEDES-BENZ GL-CLASS (X166) | GL 350 CDI / BlueTec 4-matic (166.823, 166.824), GL 350 CDI / BlueTEC 4-matic (166.824), GL 400 4-matic (166.856), GL 450 4-matic, GL 450 4-matic (166.872), GL 500 4-matic (166.871), GL 500 4-matic (166.873), GL 63 AMG 4-matic, GL 63 AMG 4-matic (166.874) | 2012–2015 |
| MERCEDES-BENZ GLE (W166) | 250 d (166.006), 250 d 4-matic (166.004), 320 4-matic (166.062), 350 4-matic (166.057), 350 d 4-matic (166.024), 400 4-matic (166.056), 450 AMG 4-matic (166.064), 500 4-matic (166.073), 500 e 4-matic (166.063), AMG 43 4-matic (166.064), AMG 63 4-matic (166.074), AMG 63 S 4-matic (166.075) | 2015–2018 |
| MERCEDES-BENZ GLE Coupe (C292) | 320 4-matic (292.362), 350 d 4-matic (292.323, 292.324), 350 d 4-matic (292.324), 400 4-matic (292.356), 450 AMG 4-matic (292.364), 500 4-matic (292.371), 500 4-matic (292.373), AMG 43 4-matic (292.364), AMG 63 4-matic (292.374), AMG 63 S 4-matic (292.375) | 2015–2019 |
| MERCEDES-BENZ GLS (X166) | 320 4-matic (166.862), 350 d 4-matic (166.824), 400 4-matic (166.856), 450 4-matic (166.864), 500 4-matic (166.871), 500 4-matic (166.873), AMG 63 4-matic (166.875) | 2015–2019 |
| MERCEDES-BENZ M-CLASS (W166) | ML 250 CDI / BlueTEC 4-matic (166.004, 166.003), ML 300 4-matic (166.055), ML 320 4-matic (166.062), ML 350 4-matic (166.057), ML 350 BlueTEC 4-matic (166.024, 166.023), ML 400 4-matic (166.056), ML 500 4-matic (166.073), ML 63 AMG 4-matic (166.074) | 2011–2015 |
Always verify compatibility with your vehicle before ordering.
More about this part. Related categories and similar parts.
OPTIMAL
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Common OE numbers for this part
Common original equipment numbers linked to replacement-part pages.
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£5.99
Standard delivery
Delivery estimates depend on current stock availability.
£50.00
Free delivery
Orders from £50.00
14 days
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2-year warranty against manufacturing defects on all parts, counted from delivery. 14-day money-back guarantee if the part doesn't fit your vehicle. Delivery terms
We ship from the EU to 201 countries. Deliveries within the EU carry no customs charges; outside the UK and the EU, the destination country may charge import duties and taxes, paid on delivery. Delivery times and prices by country
Delivery times to EU countries (working days)
Austria 4–7, Belgium 4–7, Bulgaria 5–9, Croatia 5–9, Cyprus 4–19, Czechia 4–7, Denmark 4–8, Estonia 3–4, Finland 6–10, France 5–8, Germany 3–5, Greece 6–10, Hungary 4–7, Ireland 5–9, Italy 5–9, Latvia 2–3, Lithuania 2–3, Luxembourg 4–7, Malta 4–9, Netherlands 4–7, Poland 3–6, Portugal 6–10, Romania 4–8, Slovakia 4–7, Slovenia 4–8, Spain 6–9, Sweden 5–10
