The Bosch part number 0 403 436 106 (or 0403436106) "EC63504VH" refers to the Mack E6-350 4VH (4-Valve Head) diesel engine,
a legendary 11.0L inline-six powerplant commonly found in vintage Mack heavy-duty semi-trucks from the 1980s and early 1990s.
This is a Diamond Diesel Remanufactured Diesel Fuel Pump.
Diamond Diesel Service Inc. is a Certified Bosch® Online Partner
Our technicians are Bosch Certified and trained

When you purchase this Injection Pump you get:
1) Genuine Bosch® Parts
2) Brand New Bosch® Gaskets
3) One year limited warranty
Bosch Part number:
0402-746-817Diamond Diesel Part #:
0402-746-817-RX
OEM Part #: 313GC5173P14
Other Part #'s: 0402746817, 0 402 746 817
Pump Model # PES6P/7135
Injection Pump Type:
Mack #: E6-350 4VH
Model #: PES6P/7135
OEM Part #: 313GC5173P14
Engine Breakdown:
- E6-350: The engine model family (E-6) and its factory horsepower rating (350 HP).
- 4VH: Stands for 4-Valve Head. Earlier versions of the E6 engine featured a 2-Valve Head (2VH) design, whereas the 4VH variant optimized airflow, efficiency, and power output.
- Displacement: 672 cubic inches (11.0 Liters)
- Configuration: Inline 6-cylinder diesel
- Induction: Turbocharged and equipped with a "charge air-to-air" cooling induction system.
You will typically find this engine in classic, hard-working Mack truck series such as:
- Mack R-Model (Dump trucks, day cabs, and vocational configurations)
NO CORE DUE!