Vehicleaccessories 499000-6131 High Pressure Fuel Rail Sensor Regulator: Ensures precise fuel pressure regulation
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Every modern diesel engine relies on a tiny but mighty component: the Fuel Rail High Pressure Sensor Regulator. Its job? To vigilantly monitor and maintain precise fuel pressure in the rail system. This isn't just about keeping things ticking over—it's the linchpin for efficient combustion, slashing emissions, and boosting overall performance. Get it wrong, and you're looking at poor fuel economy, annoying misfires, or even collateral damage to other engine parts.
This regulator is a go-to for vehicles like Isuzu and Holden models with 4HK1 or 6HK1 engines, often swapped in during routine check-ups or when fuel gremlins strike. In the real world, it's a budget-saver, ensuring smooth operation whether you're stuck in city traffic or hauling heavy loads. Just remember: always crack open the service manual before installation. A few minutes with the specs can prevent a world of headaches down the road.
- Compatible with Isuzu and Holden engines
- Durable construction for long-term reliability
- Easy installation process
- Enhances engine performance and efficiency
- Ensures precise fuel pressure regulation
General specs
- Brand: Vehicleaccessories
- Model: 499000-6131
- Seller: Joom
- Compatibility: Isuzu, Holden, 4HK1 engine, 6HK1 engine
- Type: High Pressure Fuel Rail Sensor Regulator
- Part Number: 499000-6131
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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| Brand | Vehicleaccessories | Mlina-J | Topfactory | feiyanautoparts | apadautoparts | PHYUN-autoparts |
| Model | 499000-6131 | 8-97359985-2 | F6TZ-9F838-A | 8-97359985-2 | 23527829 | |
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| Price | $62.03 | $35.69 | $55.32 | $31.12 | $52.40 | $39.02 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 15, 2025 | August 17, 2025 | August 28, 2025 | August 28, 2025 | August 28, 2025 | August 28, 2025 |
| Compatibility | Isuzu, Holden, 4HK1 engine, 6HK1 engine | Chevrolet Avalanche, Chevrolet Camaro, Chevrolet Caprice, Chevrolet Captiva Sport, Chevrolet Corvette, Chevrolet Equinox, Chevrolet Express 1500, Chevrolet Impala, GMC, Hummer, Saturn | Isuzu 6WF1, Isuzu 4HK1, Isuzu 4HG1, Isuzu 4JJ1, Isuzu 4JB1 | Ford 7.3L | Isuzu 6WF1, Isuzu 4HK1, Isuzu 4HG1, Isuzu 4JJ1, Isuzu 4JB1 | Various vehicles |
| Type | High Pressure Fuel Rail Sensor Regulator | Differential Pressure Sensor | OEM | Differential Pressure Sensor | ||
| Function | Monitors fuel pressure in injection system | Monitors exhaust pressure differential for DPF systems | Monitors fuel pressure | |||
High Pressure Fuel Rail Sensor Regulator
Kavya M.
Jaipur
September 3, 2025
My first impression was cautious; I've been working with engines for years, so I know how crucial this part is. Bottom line, it does the job for basic needs, but it's not perfect. I had to spend extra time making sure everything was set up right, and while it improved fuel efficiency a bit, it didn't wow me. For the cost, it's okay, but I'd expect better quality. 😕 If you're on a tight budget, it might work, but be prepared for some fiddling.
- Pros: It seemed to fit my vehicle fairly well, and after installation, the engine ran smoother with fewer misfires, which was a relief. The price was low, making it a budget-friendly option that saved me from bigger repair costs.
- Cons: I was disappointed that the installation wasn't straightforward—it required careful handling and consulting the manual to avoid issues. As a perfectionist, I noticed it didn't feel as durable as I'd hoped, and there was a slight hesitation in performance under heavy loads.