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Valeo 439485 Alternator
| Brand | Valeo 439485 |
|---|---|
| 53.8 | |
| Amperage Rating | 170 |
| Family | Valeo OE |
| Fan Type | Internal |
| Housing Material | Aluminium |
| Pulley Belt Type | Serpentine |
| Pulley Groove Quantity | 6 |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Technical Number | TG17C048 |
| Voltage | 12 |
| Product line | Alternator |
| Fits | BMW · 3 vehicles |
OE direct replacement. 100% new alternator helps reduce premature failure.
Internal regulator. Built with an internal fan for efficient charging performance.
Aluminium housing. Lightweight construction supports dependable electrical output.
Cross-references BBB Industries 11034, Bosch 15058 and Gates 23319 for the same application. See all 7.
Valeo 439485 Alternator for BMW 335d
Restore charging performance with this Valeo alternator, part number 439485, built for 2009-2011 BMW 335d applications. It is a 12-volt, 170-amp unit with an internal fan, internal regulator, and clockwise rotation for OE-style electrical system operation.
Key Features
- Valeo OE family alternator for BMW charging system service
- 12V output with 170 amp amperage rating
- Internal fan and internal regulator
- Clockwise rotation direction
- 6-groove pulley for serpentine belt systems
- Aluminium housing for OE-style fit and durability
- Technical number TG17C048
Product Details
Valeo has supplied original equipment electrical components since 1923, and the Valeo Alternator line is built around OE replacement requirements. This 439485 alternator is a 100% new unit, which helps reduce the risk associated with reused internal components. For BMW 335d owners searching for a 170 amp alternator, BMW 335d alternator replacement, or Valeo 439485 alternator for 2009-2011 BMW 335d, this unit matches the listed application and electrical specifications.
This part cross-references Bosch 15058 and WAI 23319N for the same application.
What It Helps Fix
- Low battery charging output
- Battery warning light or charging system fault codes
- Dim lights caused by weak alternator output
- Voltage drop under electrical load
- Charging instability in a BMW 335d
Installation Notes and Tips
Verify pulley groove count, rotation direction, amperage rating, and connector fitment before installation. Confirm the vehicle uses a serpentine belt setup and compare the removed unit to the listed Valeo 439485 specifications. After installation, check charging voltage and belt alignment to confirm proper system operation.
Quality Assurance
Valeo is a recognized OE supplier in electrical systems, and this premium alternator is supplied as a new replacement unit rather than a remanufactured assembly. That construction supports consistent charging performance for 2009-2011 BMW 335d applications.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | BMW | 335d | Base | 3.0L | L6 | N/A | OE Supplier: VALEO; 170 AMP; Alternator |
| 2010 | BMW | 335d | Base | 3.0L | L6 | N/A | OE Supplier: VALEO; 170 AMP; Alternator |
| 2009 | BMW | 335d | Base | 3.0L | L6 | N/A | OE Supplier: VALEO; 170 AMP; Alternator |
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