Product Overview

This high-precision Diesel Common Rail Fuel Pressure Sensor (Part No. 499000-6121) is engineered for reliable performance in demanding heavy-duty applications. Designed as a direct replacement for OEM components, it ensures accurate fuel rail pressure monitoring, which is critical for optimal engine efficiency, power output, and emissions control. We supply this professional-grade part globally, with extensive experience serving key markets across North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for seamless integration and accurate pressure readings.
• Enhanced Durability: Built with robust materials to withstand high-pressure environments and extreme engine bay temperatures.
• Optimal Engine Performance: Ensures precise fuel delivery, contributing to consistent power, improved fuel economy, and reduced emissions.
• Rigorous Quality Testing: Each unit undergoes 100% professional testing to verify electrical signal integrity and pressure response before shipment.
• Global Compliance: Packaged for international trade, ensuring safe and compliant delivery to any destination.

Technical Specifications

OEM Cross-Reference

This sensor is a direct replacement for the following OEM part number:

• 4990006121 (Primary OE Reference)

Note: Always verify part number compatibility with your specific engine model before ordering.

Compatibility

This fuel pressure sensor is designed for diesel common rail systems in various heavy-duty machinery. While the primary application is for excavator engines, it is crucial to cross-reference the part number (499000-6121 / 4990006121) with your engine’s service manual or existing component to confirm exact fitment for models from leading manufacturers.

Global Supply & Distribution

We are a trusted B2B supplier for diesel engine components with a robust global logistics network. We efficiently serve partners worldwide, including key industrial and construction markets in:

• North America: Fast shipping to major US and Canadian ports.
• Europe: Reliable delivery to EU member states and the UK.
• Asia-Pacific: Strong supply chain to Australia, Southeast Asia, and Japan.
• Middle East & Africa: Extensive experience supplying to major industrial centers.

Our standard delivery time is 3-7 days for ready stock, supported by flexible payment terms (TT, Western Union, PayPal) to facilitate smooth international transactions.

Quality Assurance

Every 499000-6121 Fuel Pressure Sensor is produced under strict manufacturing controls. We guarantee product quality through:

• 100% Functional Testing: Each sensor is professionally tested for signal accuracy and response under simulated operating conditions.
• Warranty: Backed by a 3-month warranty from the date of shipment, covering defects in materials and workmanship.
• Export-Ready Packaging: Secured in neutral, protective packaging to guarantee arrival in perfect condition.

FAQ

Q1: How do I confirm this sensor is compatible with my excavator’s engine?
A1: The surest method is to match the part number. Locate the existing fuel pressure sensor on your engine and verify its stamped part number matches 499000-6121 or 4990006121. Consult your equipment’s service manual for the correct part reference.

Q2: What is the typical cause of failure for this sensor, and how will a replacement improve performance?
A2> Common failures include internal circuit damage from voltage spikes or seal degradation leading to inaccurate readings. Replacing a faulty sensor restores precise fuel rail pressure data to the Engine Control Unit (ECU), resolving issues like power loss, poor fuel economy, hard starting, and excessive smoke.

Q3: What is your Minimum Order Quantity (MOQ) and can you support larger project requirements?
A3: Our standard MOQ is 4 pieces. We specialize in supporting B2B clients and can accommodate bulk orders for fleet maintenance, dealerships, or distribution. Contact us directly for volume pricing and customized logistics solutions.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .