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Chevrolet GMC Duramax LML, LGH High Pressure Fuel Pump 2011-2014: OEM 12645102

CHEVROLET GMC DURAMAX LML, LGH HIGH PRESSURE FUEL PUMP 2011-2014: OEM 12645102

Shipping ICON

ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY

WARRANTY ICON

WARRANTY
1M MILES OR 1 YEAR

$660.00

CORE CHARGE:

$350.00
iCORE DISCLAIMER: The CORE charge is a 30 day hold and will not be processed as long as the CORE is returned within 30 days. If you do not have a CORE or fail to return the CORE within 30 days, the CORE charge hold amount will be processed at that time.

AVAILABILITY IN STOCK
OEM NUMBER12645102
PART TYPEHigh Pressure Fuel Pump
BRANDTamerx Diesel Products
ENGINE MAKEChevrolet GMC
ENGINE TYPEDuramax LML LGH
YEAR2011-2014
PART NUMBERHPP7350

PRODUCT DESCRIPTION

This is a Remanufactured Tamerx High Pressure Fuel Pump, Tamerx part number HPP7350 ( OEM Part Number 12645102 ). All parts are proudly remanufactured in the U.S.A. to the highest of OEM standards, and improvements are often applied to the original design in the remanufacturing process. This part is primarily made for a Chevrolet GMC Duramax LML, LGH, production years 2011-2014, and comes with a One Million Miles or One Year Warranty. For additional warranty info Click Here

OEM NUMBERS

Primary OEM12645102
Additional OEM12645102, 445010687

ADDITIONAL DETAILS

CONDITIONRemanufactured
UPC / Barcode086547480543
WEIGHT12.00 LBS

SHIPPING OPTIONS

Ship Weight : 12.00 LBS
UPS Ground, 2nd Day Air, Next Day Air

SHIPPING POLICY

Tamerx Diesel Products ships via UPS Ground. Next day air shipping can be arranged for a reasonable price of anywhere from $50.00 - $100.00 depending on the weight of the product and your location. We will do everything we can to make sure that you get the service you need. We understand how important it is to receive your order as quickly as possible.
In most cases Tamerx Diesel Products only needs one address, as long as your product is shipping to the same location as your billing information. In order to eliminate credit card fraud, your billing information must match the credit card you provide.

The terms, conditions, and details of our warranty vary from product to product. Specific warranty details can be found below.

Tamerx Diesel Products provides a replacement warranty on all of our parts. The duration and mileage limitations of the warranty vary by product and are specified on the product's detail page/item listing.

Please note that the warranty covers replacement of the part and the cost of shipping the replacement part to you only. It does not cover any shop, labor, towing, or any similar or related costs. This is not a "money back guarantee".

If you experience a problem with your part or it is not functioning properly, the correct warranty procedure is to call us at (510) 257-1777 (8:00 AM - 5:00 PM ET Monday through Friday). Be sure to have your order number and/or other relevant order information ready so we can easily locate your order and resolve your issue as quickly as possible. From that point, we will review with you any troubleshooting steps that may need to be taken and other areas or systems that can be checked to rule out external problems contributing to your part's issue. If a replacement is determined to be necessary, we will then arrange for your replacement part to ship out ASAP and issue any necessary return shipping labels and/or documents.

As is the case for the majority of the diesel products sold on Tamerx Diesel Products, your part's warranty is active as soon as you install it. In some other cases, warranty activation is contingent upon you sending us your core (i.e., your old part). Tamerx Diesel Products will provide you a return shipping label for parts that have a warranty with a core return condition. When we have received your core return, the part's warranty coverage begins. We reserve the right to void the product warranty if your core is not received within the allotted time, or if it isn't received at all. If the warranty for the diesel part you are purchasing has a core return requirement, it will be clearly noted on the product detail page/item listing.

What is a Core Charge?

A core charge (also called "core deposit") is similar to the deposit you might pay for a can or bottle of soda and is a standard requirement in the auto parts industry. For example, in many states, to promote recycling, you pay a deposit when you purchase a can of soda and receive your deposit back when you return the empty can. Many automotive parts have a core charge, or core price, that works in essentially the same way as a soda can deposit.

30 Day Core Charge Hold

You authorize Tamerx Diesel Products, to hold your credit card for the specified core charge amount and that you agree to return your core with 30 days of receiving the purchased part. When we have received your core return, the hold is released and the core charge payment is canceled.

The customer, or parts buyer, is responsible for any shipping costs associated with core returns unless otherwise specified in the product listing/detail page. Tamerx Diesel Products offers prepaid UPS shipping labels (SKU numbers UPS-CR1 and UPS-CR2) for use in returning your core that are available for purchase on our website during your shopping/order process.

The shipping label you will need to use for the core return is dependent upon what part you are purchasing. UPS-CR1 is good for cores weighing up to 20 pounds. UPS-CR2 is appropriate for shipping cores weighing 21 pounds or more. You must include enough information with the core return that clearly identifies it as a.) a Core Return, and b.) contains enough information we can use to clearly associate the core return with your order. Including a copy of the invoice or packing slip that came with the original shipment, clearly marked "Core Return", is ideal. Alternately, you can include a note marked as "Core Return" that includes your order number, full name and address, and phone number or other contact information. Failure to include this information with your returned core will most likely delay any due core credit being issued and/or delay any applicable warranty activation. Core returns need to be for the exact part purchased and cannot be damaged. Substituting another part in place of the part you have purchased is not acceptable.

All fluids must be drained.

If you have purchased a set or a parts package, you will need to return cores for all components of the set. For example, if you have purchaed a high pressure oil pump with an IPR valve, you will need to return both HPOP and IPR valve cores to receive proper credit. If you have purchased an EGR cooler/EGR valve package, your core return must consist of an EGR cooler core and an EGR valve core, or core credit will not be given.

Core Charges are often mandated by state legislature, and, as such, the actual core charge and taxes on the charge may vary depending on the state in which you buy your part. The Tamerx Diesel Products core charge presented to you online today with your item is representative of the most common core charge.


This high pressure fuel pump, OEM 12645102, is built for 2011–2014 Chevrolet and GMC Duramax LML and LGH diesel engines. It plays a crucial role in delivering the fuel volume and pressure required by the common rail system. Designed to factory specifications, the unit helps support stable engine function across a variety of operating conditions. Its construction ensures reliable integration into the fuel system, making it a solid choice for replacing a failed or leaking pump. Suitable for use in both pickup and chassis cab configurations, it is installation-ready for compatible Duramax diesel setups.

FITMENT CHART

YEARMAKEENGINE(S)
2011Chevrolet GMC Duramax LML LGH
2012Chevrolet GMC Duramax LML LGH
2013Chevrolet GMC Duramax LML LGH
2014Chevrolet GMC Duramax LML LGH

PEOPLE ALSO ASKS | BLOG(S)

The Chevrolet GMC Duramax LML and LGH engines are known for their impressive power and reliability, but maintaining that performance requires high-quality components. One of the most critical parts of your engine's fuel system is the high-pressure fuel pump. The Chevrolet GMC Duramax LML, LGH High Pressure Fuel Pump OEM 12645102 is specifically designed to deliver the precise fuel pressure needed to keep your engine running smoothly and efficiently. In this blog, we’ll explore why upgrading to this OEM fuel pump can make a significant difference in your Duramax engine’s performance.

  • Precision Fuel Delivery

    •  The OEM 12645102 high-pressure fuel pump is engineered to provide the exact fuel pressure required by your Duramax LML or LGH engine. This ensures that fuel is delivered consistently and efficiently, leading to better combustion and overall engine performance.

  • Enhanced Engine Power

    •  By maintaining optimal fuel pressure, this high-pressure fuel pump helps maximize the power output of your Duramax engine. Whether you’re towing heavy loads or driving in challenging conditions, the OEM 12645102 fuel pump ensures your engine has the fuel it needs to perform at its best.

  • Improved Fuel Efficiency

    • A well-functioning high-pressure fuel pump not only boosts performance but also improves fuel efficiency. The OEM 12645102 is designed to reduce fuel wastage by ensuring precise fuel injection, helping you get more miles per gallon and saving you money in the long run.

  • OEM Durability and Reliability

    •  As an Original Equipment Manufacturer (OEM) part, the 12645102 high-pressure fuel pump is built to meet Chevrolet and GMC’s strict quality standards. This guarantees a perfect fit and long-lasting performance, giving you peace of mind that your engine is equipped with a pump that can handle the demands of your Duramax engine.


Upgrading to the Chevrolet GMC Duramax LML, LGH High Pressure Fuel Pump OEM 12645102 is a smart move for anyone looking to maintain or enhance their engine’s performance. With its precision fuel delivery, improved power output, and fuel efficiency, this OEM pump is essential for keeping your Duramax engine running at its peak. Invest in the reliability and performance of your vehicle by choosing the OEM 12645102 high-pressure fuel pump and experience the difference in every drive.

A high-pressure fuel pump is a vital component in modern diesel and gasoline engines, designed to deliver fuel at precisely controlled pressures for optimal combustion. Upgrading or maintaining a high-pressure fuel pump can significantly enhance your engine’s performance, efficiency, and longevity. In this blog, we’ll delve into the key benefits of a high-pressure fuel pump and why it’s an essential part of your vehicle’s fuel system.

  • Improved Engine Performance

    • A high-pressure fuel pump ensures that the engine receives the exact amount of fuel needed at the right pressure, leading to more efficient combustion. This results in improved throttle response, increased horsepower, and overall better engine performance.

  • Enhanced Fuel Efficiency

    •  By delivering fuel more precisely, a high-pressure fuel pump helps your engine burn fuel more efficiently. This not only boosts performance but also reduces fuel consumption, saving you money at the pump.

  • Reduced Emissions

    • Efficient combustion facilitated by a high-pressure fuel pump leads to cleaner exhaust emissions. This is particularly important for meeting stringent environmental regulations and reducing your vehicle’s carbon footprint.

  • Reliability in High-Demand Situations

    • Whether you’re towing heavy loads or driving in extreme conditions, a high-pressure fuel pump provides the necessary fuel pressure to keep your engine running smoothly, ensuring reliability and preventing stalling.

  • Longer Engine Lifespan

    • Consistent fuel delivery at high pressures reduces the strain on engine components, leading to less wear and tear. This can significantly extend the lifespan of your engine, saving you on potential repairs and replacements.

Investing in a high-pressure fuel pump offers numerous benefits, from enhanced engine performance and fuel efficiency to reduced emissions and increased reliability. Whether you’re upgrading your current fuel system or maintaining your vehicle, ensuring your high-pressure fuel pump is in top condition is crucial for getting the best out of your engine. Embrace the advantages of a high-pressure fuel pump and enjoy a more powerful, efficient, and durable vehicle.

Visual inspection may reveal metal flakes in the fuel filter or injector return lines, indicating internal wear.

Using additives that improve lubrication may help reduce wear and extend pump life.

You may see a check engine light along with reduced engine power and stored fuel system codes.

Any remaining debris can damage the new pump and cause repeat failures throughout the system.

Chevrolet GMC High Pressure Fuel Pumps