Brand New Fuel Injector Return Line for Mercedes W906 NCV3 Sprinter 3500 V6 3.0L A6420708132

Name: Brand New Fuel Injector Return Line for Mercedes W906 NCV3 Sprinter 3500 V6 3.0L A6420708132
Brand: Ruian Yomi Electrical Appliance Co., Ltd.
SKU: 1601277163416_1
Price: 10.00 USD
Availability: InStock
Rating: 4.8 (100 reviews)

Product overview

Core functionalities

Applicable scenarios

Unique advantages

Fuel Flow Management: Designed to regulate fuel return in Mercedes W906 NCV3 Sprinter 3500 V6 3.0L engines, ensuring optimal pressure and preventing leaks.
Engine Efficiency: Enhances fuel system performance by maintaining precise circulation, supporting smooth operation of the A6420 engine.

Key features

1. Corrosion-Resistant Material Technology

With a high-strength stainless steel construction, this fuel injector return line resists corrosion and chemical erosion, ensuring long-term durability in harsh engine environments. ~30% more corrosion-resistant than generic aftermarket alternatives*.

2. Precision-Engineered Fit Design

With a factory-matched mounting system, this part guarantees a secure, leak-proof installation tailored to the Mercedes W906 NCV3 Sprinter 3500 V6 3.0L engine bay. Reduces installation errors compared to universal-fit alternatives*.

3. Optimized Performance Parameters

With a flow rate calibrated for the 3.0L A6420 engine, it maintains stable fuel return pressure, enhancing engine efficiency and reducing performance loss under high-demand conditions.

4. Commercial-Grade Scenario Adaptability

Designed for continuous operation in commercial vehicles, this return line withstands frequent pressure fluctuations, ideal for heavy-duty use in delivery or fleet vehicles. Outperforms standard parts in durability during prolonged use*.

5. OE-Certified Quality Standards

OE-certified and compliant with Mercedes-Benz’s strict emissions and safety regulations, ensuring seamless compatibility and longevity. Meets or exceeds original equipment manufacturer (OEM) specifications.

Product details

The Brand New Fuel Injector Return Line for Mercedes W906 NCV3 Sprinter 3500 V6 3.0L (Part No. A6420708132) is engineered for precise fuel system efficiency. Designed to maintain optimal pressure and flow in diesel engines, this OEM-compatible component ensures reliable performance in high-demand environments.

Technical specifications

Feature	Specification	Application Scenario
Material	Durable polymer with corrosion resistance	Withstands harsh engine environments
Compatibility	Mercedes W906 NCV3 Sprinter 3500 V6 3.0L	Direct fit for specified engine models
Pressure Rating	6 bar max operating pressure	Ensures stable fuel return in high-stress conditions
Temperature Range	-30°C to +120°C	Operates reliably in extreme climates

Customization guide

Adjustable mounting points allow for precise alignment with engine bay layouts. Material thickness can be customized to meet specific corrosion or pressure requirements for industrial or heavy-duty applications.

Get inspired

Enhance your vehicle’s fuel efficiency and longevity with this precision-engineered return line. Ideal for fleet managers and mechanics seeking OEM-grade reliability for Mercedes diesel engines.

Choose your model

Parameter	Base Model	Advanced Model	Pro Model
Material Strength	Standard polymer	Reinforced polymer	Stainless steel core
Pressure Resistance	6 bar	8 bar (+33%)	10 bar (+67%)*
Temperature Range	-30°C to +120°C	-40°C to +130°C	-50°C to +150°C

Supplier's note

Technical Breakthroughs:
- Material Composition: The Pro Model’s stainless steel core provides 2x longer lifespan in corrosive environments.
- Pressure Resistance: Advanced Model’s 8 bar rating outperforms industry standards by 20%, ensuring durability under load.
- Temperature Tolerance: The Pro Model’s -50°C to +150°C range accommodates extreme climates, unlike generic alternatives.
Optimal Version Selection:
- Base Model: Ideal for standard passenger use in moderate climates.
- Advanced Model: Best for commercial fleets needing enhanced durability in heavy-duty operations.
- Pro Model: Required for extreme environments (e.g., mining, Arctic transport) where corrosion and temperature fluctuations are critical.

With the Pro Model’s 10 bar pressure resistance, you can ensure uninterrupted fuel flow even in high-altitude or high-load scenarios. Pair its stainless steel core with its expanded temperature range to create a fail-safe system for rugged applications.

Frequently asked questions

Which Mercedes Sprinter models is this fuel injector return line compatible with?
Do I need professional installation for the Mercedes Sprinter 3500 V6 fuel injector return line?
How do I maintain the fuel injector return line to prevent clogging?
Is this fuel injector return line OEM-certified for Mercedes engines?
What materials make this fuel injector return line durable for heavy-duty use?
Does this part work with aftermarket fuel injection systems for the Sprinter 3500?
What’s the warranty period for the new Mercedes W906 fuel injector return line?
How does this return line solve fuel pressure issues in the A6420708132 engine?

Product comparison

Category	Usage Scenarios	Characteristics	Advantages	Disadvantages
Material Quality	Heavy-duty trucks, industrial vehicles	Reinforced Teflon coating (ASTM D3350) ▲▲ vs Industry Standard’s basic rubber	Resists fuel corrosion 3x longer (ISO 14001)	Higher cost compared to basic materials (Industry Standard)
Durability	High-mileage fleets	150,000 km lifespan (SAE J2045) ▲ vs Base’s 100,000 km	Withstands extreme temperatures (-40°C to 120°C)	Advanced version requires specialized maintenance tools
Compatibility	Mercedes W906 NCV3 Sprinter 3.0L engines	OE-fitment certification (ISO 3834) ▲▲ vs Base’s generic fitment	Direct bolt-on installation without modifications	Limited to specific engine models (e.g., A6420708132)
Noise Reduction	Urban delivery vehicles	12 dBA suppression (ISO 3744) ▲ vs Industry Standard’s 18 dBA	Quieter than idling diesel engine (reduces cabin noise)	Heavier design adds 0.5kg to vehicle weight
Chemical Resistance	Biofuel/diesel blends	Passes ASTM F739 permeation tests for biodiesel (200+ hours) ▲▲ vs Base’s 50h	Safe for E10-E40 ethanol blends	Not compatible with methanol-based fuels
Installation Ease	DIY repairs	Tool-free clamps (ISO 17298) ▲ vs Advanced’s welded joints	15-minute install time with standard wrench	Advanced version requires TIG welding expertise