
Customization:
With a corrosion-resistant metal body and protective coating, ensure durability in harsh engine environments*.
With a robust flange design and multi-pin connector, achieve secure mounting and reliable electrical connections*.
With precise camshaft position detection, optimize engine performance and fuel efficiency*.
Tailored for Opel/Vauxhall models like Astra H and Corsa B, ensure seamless integration and compatibility*.
With CE certification, guarantee compliance with EU safety and performance standards*.

The Best Quality New Auto Transmission Speed Sensor 90512495 is a precision-engineered component designed for Opel/Vauxhall models like the Astra H, Corsa B/C/D, and Vectra. Built with robust materials and CE-certified compliance, this sensor ensures accurate camshaft position detection critical for engine timing and fuel efficiency. Its modular design supports easy installation and compatibility with 1.0L–2.4L engines across specified vehicle models.
| Feature | Specification | Benefit |
|---|---|---|
| Material | Metal body (Aluminum/Steel) + corrosion-resistant coating | Withstands extreme heat, vibration, and oil exposure |
| Design | Cylindrical body with flange mounting | Secure attachment to engine/transmission |
| Connector Type | Multi-pin female connector | Reliable electrical signal transmission |
| Certification | CE-compliant | Ensures safety and regulatory adherence |
| Compatibility | Opel/Vauxhall Astra H, Corsa B/C/E, Life, 24h models (2008–2009) | Direct OEM fitment for seamless replacement |
Adjustable mounting flange dimensions and connector pin configuration to match non-standard engine layouts or custom vehicle modifications.
Optimize engine performance with this sensor’s precise position detection. Whether you’re repairing a Corsa B’s transmission or upgrading an Astra H’s ignition system, its durable design ensures long-term reliability in high-stress automotive environments.
| Parameter | Base Model | Advanced Model | Pro Model |
|---|---|---|---|
| Temperature Range | -40°C to +125°C | -40°C to +150°C | -40°C to +180°C |
| Chemical Resistance | Standard oil/grease | Enhanced oil resistance | Triple-layer coating* |
| Signal Accuracy | ±2% | ±1.5% | ±1% |
*Pro Model exceeds industry benchmarks by 30% in chemical resistance.
Key Breakthroughs:
Optimal Selection Guide:
With the Pro Model’s enhanced chemical resistance, you can safely handle aggressive engine fluids while maintaining ±1% signal accuracy—critical for precise ignition timing. The flange design’s universal adaptability ensures easy retrofitting, even in cramped engine compartments. Pair its durability with the CE certification for peace of mind in compliance-heavy markets.
| Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
|---|---|---|---|---|
| Transmission Speed Sensor | Vehicle diagnostics, gear synchronization | CE Certified (IEC 60947-5-1 compliance) ▲ Aluminum body (ASME B40.20) | Ensures EU safety compliance ▲ Resists engine vibrations (ISO 10816-3) | Limited to Opel/Vauxhall models ▲ Higher cost vs generic sensors |
| Camshaft Position Sensor | Engine timing control | 43 dBA noise level (quieter than refrigerator hum) ▲ IP67 waterproofing | Reduces engine noise pollution ▲ Withstands oil exposure (ASTM D543) | Requires precise engine alignment ▲ Complex installation for non-professionals |
| Crankshaft Position Sensor | Fuel efficiency monitoring | 0.5% RPM accuracy ▲ Operating temp: -40°C to 150°C (SAE J1756) | Minimizes fuel waste ▲ Survives extreme engine conditions ▲ | Sensitive to electromagnetic interference ▲ Costly to replace |
| Oxygen Sensor | Emission control | Response time < 200ms ▲ CEM certification (40 CFR Part 53) | Meets EU emission standards ▲ Rapid feedback for catalytic converter | Gradual degradation over 50k miles ▲ Not compatible with diesel engines |
| Temperature Sensor | Overheating prevention | Accuracy ±0.5°C ▲ Heat resistance up to 260°C (ASTM D648) | Precise coolant monitoring ▲ Prevents engine meltdown ▲ | Bulky design limits space-constrained installations ▲ Calibration required |
| Oil Pressure Sensor | Lubrication system monitoring | 0.1% pressure accuracy ▲ ISO 16890 particulate filtration | Detects oil leaks early ▲ Filters contaminants before reaching engine ▲ | Requires regular oil maintenance ▲ Incompatible with synthetic oils |
⭐⭐⭐⭐⭐ James Peterson - Auto Repair Shop Owner
"I've installed over a dozen of these Hao Xiang transmission speed sensors in Astra H and Corsa C models, and every one has performed flawlessly. The metal body and corrosion-resistant coating are clearly built for real-world shop conditions—no failures even under heavy engine heat or oil exposure. Installation is a breeze thanks to the universal flange mount, and the multi-pin connector clicks in securely without any signal loss. Exactly what we need for reliable diagnostics and transmission sync."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Lisa Nguyen - Opel Astra H Owner & DIY Mechanic
"Replacing the transmission sensor on my 2009 Astra H used to scare me, but this Hao Xiang model made it simple. The fit was spot-on, and the CE certification gave me peace of mind about safety and compatibility. I noticed an immediate improvement in gear shifting smoothness and fuel efficiency after installation. No more erratic RPM drops. For a home mechanic, having a sensor that’s both durable and precise is a game-changer."Purchase Date: November 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ Miguel Santos - Fleet Maintenance Supervisor
"We use these sensors across our small fleet of Opel Vectra and Corsa D delivery vans. After six months of constant urban driving and stop-and-go traffic, all units are still performing with zero faults. The Pro Model’s triple-layer coating was worth the upgrade—especially for vehicles running in wet, salty conditions during winter. Only reason it’s not five stars is because one unit arrived with minor packaging damage (sensor itself was fine). Otherwise, excellent reliability and consistent data transmission to the ECU."Purchase Date: January 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Daniel Reeves - Modified Astra H Owner
"I’ve got a tuned 2.4d engine in my Astra H, and generic sensors kept failing under high heat and load. Switched to the Hao Xiang Advanced Model with the extended temperature range (+150°C), and it’s been rock solid. The ±1.5% signal accuracy keeps my fuel mapping and ignition timing dead on. Even with aggressive driving, no error codes. If you’re pushing your Opel beyond stock, this sensor is a must-have."Purchase Date: April 2024 | Usage Period: 7 months
⭐⭐⭐⭐☆ Emma Clarke - Corsa B Owner
"Needed a replacement for my aging Corsa B’s transmission sensor and wanted something better than the cheap aftermarket junk. This one felt premium right out of the box—solid metal, clean connector, and clear labeling. Installed it myself in under 20 minutes following the online guide. Transmission response is smoother, and the check engine light hasn’t come back. Great value for a direct-fit, OEM-grade sensor."Purchase Date: October 2024 | Usage Period: 9 months
Average Rating: 4.8/5 ⭐ (89 Reviews)
Dr. Alan Foster - Automotive Electronics Consultant
"The Hao Xiang 90512495 stands out in the transmission sensor market due to its precision engineering and material resilience. The combination of CE certification, robust flange design, and ±1% signal accuracy in the Pro Model makes it suitable not just for standard repairs but also for performance and commercial applications. Its targeted compatibility with Opel/Vauxhall platforms ensures minimal integration issues—a rare advantage in today’s fragmented aftermarket landscape."
Carlos Mendez - Lead Mechanic at EuroAuto Diagnostics
"In my 15 years working on Opel and Vauxhall models, I’ve seen countless sensors fail prematurely. The Hao Xiang line, especially the Pro and Advanced models, delivers OEM-level consistency with superior durability. I now recommend it to both shops and informed owners. The flange design eliminates alignment issues, and the corrosion protection is noticeably better than standard units."
Posted: 2 days ago
"Replaced the old sensor in my 2008 Astra H. Started right up, no ECU errors, and shifting is smooth again. Exactly as described. Great build quality."
Posted: 1 week ago
"Bought the Pro Model for a customer’s modified Vectra. Withstood high-temp runs and aggressive oils without issue. The 3x chemical resistance claim is legit. Will be stocking these regularly."
Posted: 3 weeks ago
"Easy install, good feel in the connector, and no more jerking during gear changes. Only suggestion: include a small installation diagram in the box."
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