EXERGY E04-10504 Duramax Pump 6.6L CP4.2

( Brand: Exergy ), ( Part Type: Pump ), ( Air Freight Prohibited: False ), ( Not Carb Approved: True ), ( Manufacturer Part Number: E04-10504 )

Review EXERGY Chevrolet Duramax 6.6l Improved Stock Pump fits LML 2011–2016

The Exergy E04-10504 CP4.2 Common Rail Fuel Pump is an essential component in the fuel delivery system of select 11-16 Chevrolet Duramax 6.6L LML diesel engines. This high-performance pump is designed and manufactured to meet the stringent demands of heavy-duty applications, ensuring optimal engine performance and fuel efficiency.

The E04-10504 pump features a robust, cast aluminum housing that provides excellent heat dissipation and durability. Its advanced internal design includes an integrated pressure regulator and a high-flow, progressive geometry, which delivers precise fuel pressure and flow to the engine. This results in improved combustion efficiency and reduced exhaust emissions.

The CP4.2 pump is engineered with a state-of-the-art electric motor that provides reliable operation and quick response to engine demands. Its advanced motor design incorporates a high-density stator winding, which minimizes electrical losses, and a large diameter rotor, which ensures smooth operation. This results in enhanced fuel pump performance and longer service life.

The Exergy E04-10504 CP4.2 fuel pump comes with a wide range of OE-style connectors, making it easy to install and integrate with the vehicle's existing fuel system. It also includes a built-in thermal bypass valve, which prevents damage from thermal shock and ensures the pump operates effectively in extreme temperatures.

This fuel pump is backed by Exergy's industry-leading warranty, providing customers with peace of mind and confidence in their purchase. The E04-10504 CP4.2 pump is the ideal choice for those seeking superior fuel system performance and reliability in their 11-16 Chevrolet Duramax 6.6L LML diesel engine.

The Chevrolet Duramax 6.6L LML CP4.2 pump is an essential component of the vehicle's diesel injection system. Replacing a faulty or worn-out pump can help improve engine performance and fuel efficiency. One aftermarket option for this pump is the Exergy E04-10504. In this analysis, we will discuss the potential pros and cons of purchasing this specific aftermarket pump for a 11-16 Chevrolet Duramax.

1. Cost-effective: The Exergy E04-10504 is often priced lower than OEM (Original Equipment Manufacturer) alternatives, making it an attractive option for budget-conscious consumers.

2. Availability: Aftermarket parts, like the Exergy pump, are generally more widely available compared to OEM parts, which can save time in the sourcing and shipping process.

3. Upgraded features: Some aftermarket parts, like the Exergy pump, may offer enhanced features or performance improvements over the OEM part, such as improved durability or better flow rates.

1. Quality concerns: Aftermarket parts may not always meet the same quality standards as OEM parts. In some cases, there could be inconsistencies in manufacturing or materials used that might negatively impact the performance or longevity of the part.

2. Lack of warranty coverage: OEM parts often come with a manufacturer's warranty, which can provide peace of mind and financial protection against potential defects or failures. Aftermarket parts, like the Exergy pump, may not offer the same level of warranty coverage.

3. Installation complexities: In some cases, aftermarket parts may not be a direct fit, requiring additional modifications or customization to work correctly in the vehicle. This could add to the overall cost and complexity of the repair or upgrade process.

The decision to purchase an aftermarket pump, like the Exergy E04-10504, for a 11-16 Chevrolet Duramax, depends on several factors, including personal budget, desired level of performance, and the importance of warranty coverage. If cost is a significant concern and the consumer is confident in the reliability and quality of the aftermarket part, the Exergy pump could be an attractive option. However, if warranty coverage and peace of mind are priorities, it may be worth considering the OEM alternative. Ultimately, thorough research and careful consideration are crucial when deciding between aftermarket and OEM parts for automotive repairs or upgrades.

part # e0410504 prices

• $1365.00-$2127.54

specifications injectiopug:

• for models: Lml
• for makes: Chevrolet
• for years: 2011-2016
• brand: Exergy
• part type: Pump
• air freight prohibited: False
• not carb approved: True
• manufacturer part number: E04-10504

general injectiopug:

• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
• condition: New

seller injectiopug:

• # reviews: 38222
• rating: 99.9%

shipping injectiopug:

• cost: $0.00
• type: Fixed
• class: Standard
• service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery
• carrier: USPS, FedEx
• transit: 4-7 Days

returns injectiopug:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

payments injectiopug:

• other
• wallet: Apple-pay
• credit card: Discover

offer injectiopug:

• options: Ship-to-home
• started: June 20, 2026
• quantity: 2
• sold: 0
• availability: In Stock

Exergy E04-10504 Is Similar To:

• Exergy Performance E05-10505 E05 10505 System Saver Improved Stock Fca/mprop - 2011-2016 Lml Duramax (43.3% similar) $23.60–$79.00. (February 19th, 2025)