Description
Product Overview
The Pifipour fuel injection pump (model A2129003408 / A2129003508) is a direct OE replacement designed for Mercedes‑Benz W204 series vehicles. Crafted with a polished exterior, the unit combines a lightweight 2.25‑ounce construction with robust internal components to ensure consistent fuel flow. Dimensions of 5.28 x 4.41 x 1.81 inches allow a snug fit within the original mounting location, while the manufacturer‑verified part numbers guarantee compatibility with GLK250 (2013) and GLK350 (2011‑2012) models.
Usage
This pump is ideal for both professional mechanics and DIY enthusiasts seeking a reliable replacement during routine maintenance or after a fuel system failure. Install it in the engine bay of your Mercedes‑Benz W204, connect the fuel lines, and secure with the original fasteners. The polished finish not only resists corrosion but also blends seamlessly with surrounding components, making it suitable for daily commuting, long‑distance travel, and performance driving.

Why Choose Us
Pifipour adheres to strict quality standards, delivering a product that matches or exceeds OEM specifications. Each pump undergoes rigorous testing for pressure stability and leak resistance, ensuring long‑term reliability. Our Amazon fulfillment guarantees fast, dependable shipping, and a one‑year warranty provides added confidence. Choosing Pifipour means receiving a genuine OE‑compatible part backed by responsive customer support.
Key Features
- Exact OE match for Mercedes‑Benz W204 GLK250 and GLK350 models
- Polished exterior resists corrosion and enhances durability
- Lightweight design (2.25 oz) simplifies handling and installation
- Compact dimensions ensure a perfect fit without modifications
- One‑year warranty and Amazon fulfillment for fast delivery
FAQ
Is this pump compatible with my 2012 GLK350?
Yes, the pump is verified for Mercedes‑Benz GLK350 model years 2011‑2012 and fits the fuel system without any modifications.
Do I need any special tools to install the pump?
Standard automotive hand tools are sufficient. The pump uses the original mounting points and fuel line connections, making installation straightforward for experienced DIYers.
What does the one‑year warranty cover?
The warranty covers any manufacturing defects, including pressure inconsistencies or material failures, and includes replacement or refund options.
Can I use this pump for a different Mercedes model?
It is specifically engineered for the W204 series. Using it on other models may result in fitment issues and is not recommended.
How does the polished finish benefit the pump?
The polished surface provides corrosion resistance and helps maintain a clean appearance within the engine compartment, extending the part’s service life.




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