VKM74200
VKM74200 Timing Belt Tensioner Pulley
- Size
- d 9 mm · D 52 mm (inner 32.3 mm) · B 25 mm
- Cross-ref
- OE Mazda B630-12-700EGMB GT20040
- Fits
- Engine timing belt systems
IATF 16949 CertifiedSince 2011 · Jiashan County, China
OTT F3914 is a sealed belt idler pulley for EF7 engine applications in the Iranian market. The assembly uses a zinc-plated steel housing, GCr15 bearing rings, an integrated extended inner ring, a PA66+GF25 cage and ACM contact seals. Factory drawing dimensions are: running diameter 60 mm, flange diameter 70 mm, pulley width 31.5 mm, overall mounting height 46.5 mm and mounting bore 8.3 mm. EF7 is the engine designation, not a separate product SKU. Match the pulley dimensions and mounting arrangement to the existing assembly before ordering.
Dimensions
Running OD 60 mm; flange OD 70 mm; pulley width 31.5 mm; overall height 46.5 mm; bore 8.3 mm
Technical data
| Dimensions | Running OD 60 mm; flange OD 70 mm; pulley width 31.5 mm; overall height 46.5 mm; bore 8.3 mm |
|---|---|
| Engine | EF7 |
Fitment note: cross-references and vehicle applications are for identification. Send us the OE number, VIN or a sample and we will confirm the exact fitment before you order.
Available in OTT branded packaging or custom OEM packaging. Individual bearings are sealed in PE bags, packed in branded carton boxes, then palletized in wooden crates for export shipping.






Same product line
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Share an OE or competitor number, a drawing or target dimensions and your annual volume. Samples available for qualified projects.