AC 40174 Fuel Pump Core

( Brand: Ac ), ( Manufacturer Part Number: 40174 ), ( Part Type: Fuel Pump )

Review AC Fuel Pump Core Assembly

The **AC 40174 Fuel Pump Core** is a high-performance, precision-engineered component designed to serve as the foundational element for aftermarket fuel injection systems, particularly in applications requiring enhanced fuel delivery and reliability. This core assembly is meticulously crafted to provide a robust base for rebuilding or upgrading fuel pumps, ensuring optimal compatibility with a wide range of automotive and performance tuning applications. Built with durability in mind, the core features a robust housing constructed from high-grade aluminum or steel, depending on the specific model variant, to withstand the pressures and stresses of high-flow fuel delivery systems. Its design incorporates a sealed internal mechanism, complete with a durable impeller and precision-machined components, which work in tandem to efficiently transfer fuel from the tank to the engine with minimal resistance and maximum efficiency.

The **AC 40174 Fuel Pump Core** is engineered to accommodate various fuel pump motor assemblies, allowing for easy integration with electric or mechanical drive systems, making it a versatile choice for both stock and modified setups. Its modular design ensures that users can select the appropriate motor, pressure regulator, and other ancillary components to tailor the fuel pump to their specific vehicle s requirements, whether for stock performance, turbocharged applications, or high-output engine builds. The core s internal structure is optimized for smooth operation, reducing wear and tear while extending the lifespan of the pump, even under demanding conditions. Additionally, the design often includes integrated mounting points and gasket surfaces to ensure a secure and leak-proof seal when installed in the fuel tank or as part of a standalone fuel rail system.

For performance enthusiasts and professional tuners, the **AC 40174 Fuel Pump Core** offers a reliable foundation for achieving precise fuel metering and delivery, which is critical for maximizing engine efficiency and power output. Whether used in stock applications to replace a failing original equipment pump or as part of a comprehensive fuel system upgrade for a high-performance vehicle, this core assembly delivers consistent performance and durability. Its compatibility with a variety of fuel pump motors ranging from standard electric units to high-flow, high-pressure variants makes it an ideal choice for both DIY mechanics and professional shops looking to rebuild or replace fuel pumps with confidence. With its focus on quality craftsmanship and engineering precision, the **AC 40174 Fuel Pump Core** stands as a dependable solution for anyone seeking to enhance or restore their vehicle s fuel delivery system.

### **Pros and Cons of Buying a Used/Aftermarket AC Fuel Pump Core (Part Number: 40174)**

1. **Cost-Effective Alternative** Purchasing a used or aftermarket core can be significantly cheaper than buying a new OEM part, especially if the original pump is damaged or the vehicle is older.

2. **Compatibility** The part number (40174) suggests it is designed for specific applications, ensuring a direct fit without modifications in most cases.

3. **Immediate Availability** Aftermarket or used cores are often available faster than waiting for an OEM replacement, reducing downtime.

4. **Potential for Remanufacturing** Some used cores may be sent for remanufacturing, offering a balance between cost and reliability.

5. **Wider Selection** Buying from online marketplaces or salvage yards provides access to parts that may not be available through dealerships.

1. **Uncertain Quality** Used cores may have hidden wear, leaks, or internal damage that isn t immediately visible, leading to premature failure.

2. **Lack of Warranty** Unlike OEM parts, used or aftermarket cores often come with limited or no warranty, leaving you responsible for repairs if issues arise.

3. **Inconsistent Performance** A poorly maintained or mismatched core may not deliver the same fuel pressure or longevity as a new part.

4. **Risk of Counterfeit Parts** Some aftermarket cores may be fakes or low-quality replicas, which could fail quickly or damage the fuel system.

5. **Installation Challenges** If the core is not properly cleaned or inspected before installation, debris or corrosion could clog the system or cause leaks.

Buying a used or aftermarket AC fuel pump core (40174) can be a practical choice for budget-conscious buyers, especially if the part is sourced from a reputable seller with a return policy or warranty. However, the risk of reliability issues and potential long-term costs must be weighed against the savings. If the vehicle is a high-value or critical application (e.g., performance tuning), investing in an OEM or high-quality aftermarket part may be more prudent to avoid future complications.

- **If cost is the primary concern and the vehicle is not high-value**, consider purchasing from a trusted salvage yard or online marketplace with seller ratings. Inspect the core for leaks, corrosion, and physical damage before installation.

- **If reliability is a priority**, opt for an OEM or a well-known aftermarket brand with a warranty. Check for remanufactured options, which often balance cost and quality better than used cores.

- **Always verify compatibility** with your vehicle s specifications and consult a mechanic if unsure about installation or potential issues.

- **Consider a core exchange program** if available some sellers offer to swap a damaged core for a new one, reducing risk.

Ultimately, the decision depends on your budget, risk tolerance, and the importance of the vehicle s performance. For most standard applications, a carefully selected used or remanufactured core can be a viable solution.

Details:

AC Aircraft Fuel Pump Core, P/N 40174, Type 5 Core 40174.

part #: 40174 prices

• $50.00-$372.03

specifications engineaviatio:

• brand: Ac
• mpn: 40174
• part type: Fuel Pump

general engineaviatio:

• condition: Used
• Aviation Parts Accessories > Engines > Engine Components

offer engineaviatio:

• started: May 28, 2026
• best offers: True
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0

shipping engineaviatio:

• carrier: USPS
• class: Standard
• transit: 5-11 Days
• cost: $11.35
• type: Calculated
• service: USPS Ground Advantage

seller engineaviatio:

• city: Inglewood, California
• # reviews: 911
• rating: 99.3%

returns engineaviatio:

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

payments engineaviatio:

• wallet: Apple-pay
• credit card: Diners-club
• other

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