OE part number 900021 is a V-ribbed belt deflection/guide pulley compatible with AUDI, BMW and other makes. Available from 7 brands, priced from £14.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
V-ribbed belt deflection/guide pulley OE 900021 prices range from £14.99 to £96.99, with 7 brands offering compatible parts.
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Technical Specifications
Show all specifications
Attribute
Value
Width [mm]
26,0
Height [mm]
19
Outer Diameter [mm]
80
Belt Pulley Ø [mm]
70,0
Width of castor bearing surface [mm]
25
Diameter [mm]
80
Surface
6
Width [mm]
27
Width [mm]
39
Belt Pulley Ø [mm]
64
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Related cross-references
Cross-reference numbers associated with 900021 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE 900021 fits vehicles from AUDI, BMW, BUICK and other compatible models listed below.
What part type is 900021?
OE 900021 is an original equipment reference for a V-ribbed belt deflection/guide pulley. It identifies the exact part specification used by the vehicle manufacturer.
How much does V-ribbed belt deflection/guide pulley 900021 cost?
Replacement parts for OE 900021 cost between £14.99 and £96.99, depending on brand and specification.
Which brands make V-ribbed belt deflection/guide pulley 900021?
BLUE PRINT, FEBI BILSTEIN, MAGNETI MARELLI, MONROE, GATES all offer compatible replacements for OE 900021.
Is 900021 original equipment or aftermarket?
OE 900021 is an original equipment reference assigned by the vehicle manufacturer. The parts listed below are quality-matched aftermarket and OEM-equivalent replacements that meet the same specification.
What is OE number 900021?
OE (Original Equipment) number 900021 is a manufacturer's reference code for V-ribbed belt deflection/guide pulley used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 7 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE 900021.
