| Property | Value |
| Brand | VALEO |
| Voltage (V) | 12 |
| Amperage (A) | 140 |
| Rotation | CW |
| Pulley Type | Fixed |
| Pulley Grooves | 6 |
| Pulley Diameter (mm) | 50 |
Introduce:
The Alternator for VALEO Lester 11098, OEM SG14B019, is a top-tier charging solution designed specifically for BMW X5 3.0i models from 2004 to 2006. This alternator operates at a voltage of 12V and delivers a robust amperage of 140A, ensuring efficient power generation to keep your vehicle's battery charged and support its electrical systems. It features a clockwise rotation and a fixed pulley type with 6 grooves, designed to fit securely with a pulley diameter of 50mm.
This alternator is engineered to meet the high performance standards of BMW vehicles, providing a reliable and durable charging component that withstands the test of time. Its compatibility with the Lester 11098 and OEM SG14B019 references guarantees a perfect match for your BMW X5 3.0i, ensuring a seamless installation and optimal performance.
For BMW X5 3.0i owners, this alternator is an essential upgrade to maintain the reliability and efficiency of their vehicle's electrical system. It is designed to deliver a smooth and consistent charging performance, enhancing the overall driving experience. Ensure compatibility with your vehicle model and year before purchasing, and enjoy the improved performance that this alternator can offer your BMW X5 3.0i.
Extended Compatibility for BMW Lineup
Beyond the core fitment of BMW X5 (E53) 3.0i 2004–2006 with M54 B30 engine, this Valeo alternator covers multiple classic BMW models for broader aftermarket usage. It matches BMW 5 Series (E39), 7 Series (E38), Z3 and other models equipped with M52 series engines produced between 1996 and 2003. Multiple genuine BMW OEM part numbers including 12-31-7-530-086, 12-31-7-532-627 and 12-31-7-551-252 cross-reference with this unit, making it a one-stop replacement option for various BMW passenger cars and SUVs.
Core Selling Points for BMW Owners & Repair Shops
**Valeo OEM-Grade Build for BMW Electrical StandardsManufactured following original Valeo production specifications, the alternator adopts premium internal components including precision voltage regulators, reinforced rectifiers and heavy-duty ball bearings. It matches BMW’s strict electrical calibration to avoid unstable voltage, flickering headlights or premature battery degradation, even under heavy load from air conditioning, infotainment and auxiliary electronics.
**Universal Cross-Reference for Auto Parts RetailersThis single unit replaces hundreds of aftermarket part codes from WAI, Bosch, Beck Arnley, Casco and more, alongside original Valeo numbers SG14B019, SG14B020, 439507 and 437500. Repair shops and parts distributors can cut inventory costs while covering most BMW M52/M54 engine repair orders efficiently.
**Plug-and-Play Direct OEM FitmentIdentical mounting brackets, plug terminal layout and pulley dimension as factory original alternators. No modification, wiring adjustment or extra adaptors are required during installation, cutting down vehicle downtime in garages and lowering labor costs for BMW repair services.
**Optimized Thermal & Mechanical DurabilityBuilt with an enhanced internal cooling structure to dissipate heat rapidly in high-temperature BMW engine bays. The CW clockwise rotation and S6 pulley design reduce vibration and operational noise, extending service life and minimizing frequent breakdowns for daily commuting or long-distance driving.
**Stable High-Output Charging PerformanceThe 140A high current output guarantees sufficient power supply at idle and high speeds. It eliminates low-charge issues common on aging BMW units, maintaining stable battery health and protecting sensitive onboard ECU and electronic modules over years of use.
Who This Alternator Is For
Owners of BMW X5 E53 3.0i (2004–2006) seeking a direct OEM replacement alternator
Independent repair garages specializing in European and BMW vehicle maintenance
Auto parts wholesalers looking for multi-model compatible Valeo charging system stock
Drivers experiencing weak charging, dead batteries or dim dashboard lights on classic BMW M52/M54 engine vehicles
Quick Reminder
Please verify your BMW’s engine code, production year and original OEM alternator number before checkout. This Lester 11098 / SG14B019 alternator is purpose-built for specified BMW models and cannot be used for non-matching engine platforms.
FAQ:
Q1. How long is your delivery time?
A: Generally it takes 45-60 days if the goods are out of stock. If it is in stock, it takes 7 days.
Q2. Do you provide samples ? is it free or extra ?
A: We can provide samples, but we don't take charge of the cost of the sample and the freight cost.
Q3. What are your terms of packing?
A: Generally, we pack our goods in neutral cartons. If you have a legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q4. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q5.How about your warranty?
A:Our warranty is one year.
