DELPHI B004IM28GA Ignition Coil GN10174

( Brand: Delphi ), ( Manufacturer Part Number: B004IM28GA ), ( Compatible Model: Gn10174 ), ( Compatible Brand: Universal ), ( Type: Unit ), ( Color: Multicolor ), ( Item Length: 1 In )

Review DELPHI Ignition Coil

The **Delphi B004IM28GA GN10174 Ignition Coil** is a high-performance, direct-fire ignition component engineered to deliver precise spark generation and reliable operation in modern gasoline-powered internal combustion engines. Part of Delphi s advanced ignition systems lineup, this coil is meticulously designed to meet or exceed OEM specifications, ensuring seamless compatibility with a wide range of vehicles equipped with direct ignition systems. Constructed with a robust, high-quality core made from precision-wound copper wire and encapsulated in a durable, heat-resistant polymer casing, the coil is built to withstand the demanding conditions of high-voltage electrical demands while maintaining optimal efficiency. Its compact yet sturdy design allows for easy installation, fitting snugly into engine bays where space is often limited, without compromising on performance. The GN10174 model features a **primary resistance of approximately 0.8 ohms** and a **secondary resistance of around 12,000 to 15,000 ohms**, striking the perfect balance between energy storage and efficient energy transfer to the spark plugs, resulting in a strong, consistent spark even under high-load conditions. This coil is particularly well-suited for applications requiring **high-energy ignition**, such as turbocharged or supercharged engines, where optimal combustion is critical for power output and fuel efficiency. Delphi s rigorous quality control ensures that each coil undergoes stringent testing for electrical integrity, thermal stability, and longevity, guaranteeing dependable performance over the vehicle s lifespan. Whether used in replacement scenarios or as an OEM-grade component during manufacturing, the B004IM28GA GN10174 ignition coil exemplifies reliability, precision, and engineering excellence, making it an indispensable choice for automotive professionals and enthusiasts seeking peak ignition performance.

**Pros and Cons of buying a Delphi B004IM28GA (GN10174) Ignition Coil**

1. **Compatibility:** This coil is designed for specific vehicle applications, ensuring a proper fit and optimized performance. It is widely used in older General Motors vehicles, particularly those with the GM 2.4L or 2.5L engines (e.g., Saturn SL, Pontiac Vibe, Chevrolet Cavalier, and some older GMC/Saab models). The part number (GN10174) confirms it is a genuine or high-quality aftermarket replacement, reducing the risk of incompatibility issues.

2. **Reliability:** Delphi is a well-known manufacturer in the automotive industry, producing coils that are generally durable and consistent in quality. Many users report that this coil performs reliably for extended periods, especially when installed correctly and maintained properly.

3. **Performance:** A properly functioning ignition coil ensures efficient spark generation, which can improve engine performance, fuel efficiency, and reduce misfires. If your vehicle was experiencing misfires or poor starting, replacing a faulty coil with this one may restore optimal operation.

4. **Ease of Installation:** Ignition coils are relatively straightforward to replace, especially in vehicles with individual coils (as opposed to coil-on-plug systems). The Delphi coil is designed to fit standard mounting brackets, and the wiring is typically plug-and-play, making it accessible for DIYers with basic mechanical skills.

5. **Cost-Effective:** While the price may vary depending on the retailer, this coil is generally more affordable than OEM (Original Equipment Manufacturer) coils from the dealership. It offers a balance between quality and cost, making it a practical choice for budget-conscious buyers.

6. **Warranty and Support:** Delphi often provides warranties on their parts, and purchasing from reputable retailers (e.g., AutoZone, RockAuto, or Amazon) may include return policies or warranties. This adds a layer of protection against defects or premature failure.

---

1. **Age of the Vehicle:** This coil is designed for older vehicles, particularly those from the late 1990s to mid-2000s. If your vehicle is significantly older or has extensive wear, other components (e.g., spark plugs, wires, or the ignition system) may also need replacement. Ignoring these could lead to recurring issues.

2. **Mixed Reviews on Longevity:** While many users report satisfactory performance, some have noted that this coil may not last as long as newer, high-performance coils (e.g., those designed for modern fuel-injected engines). Longevity can vary based on driving conditions, maintenance, and the overall health of the vehicle s ignition system.

3. **Potential for Counterfeit Parts:** Purchasing from untrusted sellers (e.g., unlicensed online marketplaces or unknown third-party vendors) increases the risk of receiving a counterfeit or low-quality replica. Always buy from reputable sources to avoid this issue.

4. **Compatibility Confusion:** The part number (GN10174) may sometimes be confused with other coils, especially if the vehicle s application is less common. Double-checking the vehicle s exact model, year, and engine specifications is crucial to ensure the correct coil is purchased. Installing the wrong coil could damage the engine or fail to resolve the issue.

5. **Limited Availability of OEM Parts:** If the original coil is no longer in production, finding an exact OEM replacement may be difficult. While this coil is a high-quality aftermarket option, some purists prefer OEM parts for peace of mind, though they often come at a higher cost.

6. **Installation Challenges:** In some vehicles, accessing the ignition coil may require removing other components (e.g., the intake manifold or air filter housing). If the vehicle has been modified or has tight clearance, installation could be more difficult than expected, potentially requiring professional help.

---

The Delphi B004IM28GA (GN10174) ignition coil is a solid choice for replacing a faulty coil in compatible General Motors vehicles from the late 1990s to mid-2000s. Its reliability, compatibility, and affordability make it a practical option for both DIY enthusiasts and those seeking a quick fix. However, its suitability depends on the specific vehicle s condition and the user s expectations for longevity.

If your vehicle is running well otherwise and the coil is the only known issue, this coil is likely a worthwhile investment. However, if the vehicle has other underlying problems (e.g., worn spark plugs, damaged wires, or a failing distributor), addressing those issues simultaneously will improve long-term performance.

---

1. **Verify Compatibility:** Confirm that this coil is the correct part for your vehicle by cross-referencing the part number with your vehicle s specifications. Use resources like the Delphi website, automotive forums, or a trusted mechanic to avoid mismatches.

2. **Purchase from a Reputable Source:** Buy the coil from well-known retailers (e.g., AutoZone, RockAuto, Amazon, or local auto parts stores) to ensure authenticity and quality. Avoid purchasing from unknown sellers to prevent receiving counterfeit or damaged parts.

3. **Inspect Other Components:** While replacing the coil, take the opportunity to inspect and replace any worn spark plugs, ignition wires, or other related parts. This proactive approach can prevent future misfires or ignition-related issues.

4. **Follow Installation Guidelines:** Carefully follow the manufacturer s or vehicle-specific installation instructions. Ensure the coil is securely mounted and wired correctly to avoid electrical issues or damage to the engine.

5. **Monitor Performance:** After installation, monitor the vehicle s performance for at least a few hundred miles. Listen for misfires, check for warning lights on the dashboard, and ensure the engine runs smoothly. If issues persist, consult a mechanic to diagnose further.

- **OEM Coils:** If available, OEM coils may offer better long-term reliability.

- **High-Performance Coils:** For vehicles with high mileage or performance modifications, a coil designed for modern engines (e.g., coil-on-plug systems) may be more suitable.

- **Professional Diagnosis:** If the problem persists, a mechanic can perform a thorough diagnosis to identify whether the issue lies with the coil, wiring, or another component.

**Final Verdict:** For most users replacing a coil in a compatible GM vehicle from the late 1990s to mid-2000s, the Delphi B004IM28GA (GN10174) is a reasonable and cost-effective choice. With proper installation and maintenance, it should provide reliable service for the expected lifespan of the coil. However, always prioritize compatibility and quality to avoid unnecessary complications.

Details:

Delphi Gn10174 Ignition Coil: Product Features: uses winding process techniques to control the length of wire between adjacent winding's. Delphi's coils are designed and endurance tested to resist the common stresses that cause failure. Delphi's ignition coils are engineered to Original Equipment specifications. Epoxy vacuum techniques reduce air bubbles in the epoxy, because having fewer increases epoxy's insulation quality and reduces chances of energy punch-through failures.

Delphi GN10174 Ignition Coil Specifications: Item weight 1.08 pounds, Product dimensions 3.0 x 1.7 3.9 inches, Part number GN10174, model Manufacturer. Delphi's ignition coils are designed with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes imperfections most often lead to failure issues. That's important because more length results in greater voltage differences, which turn create pressure that could break down the insulation and wire coating.

part #: b004im28ga prices

• $25.99-$41.56

specifications speakerpartgo:

• brand: Delphi
• mpn: B004im28ga
• compatible model: Gn10174
• compatible brand: Universal
• type: Unit
• color: Multicolor
• item length: 1 In

returns speakerpartgo:

• method: Money back
• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

general speakerpartgo:

• TV, Video Audio Parts > Speaker Parts Components > Voice Coils
• condition: New

payments speakerpartgo:

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

offer speakerpartgo:

• started: May 9, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0

seller speakerpartgo:

• rating: 96.8%
• city: Arlington, Texas
• # reviews: 96

shipping speakerpartgo:

• class: Standard
• type: Fixed
• service: Standard
• transit: 4-10 Days
• cost: $0.00

Delphi B004IM28GA Is Similar To:

• Delphi B00jrwdtve Gn10571 Pencil Ignition Coil (70.6% similar) Epoxy vacuum techniques reduce air bubbles in the epoxy, because having fewer increases epoxy's insulation quality and reduces chances of energy punch-through failures. Specifications: item weight 0.64 pounds, product dimensions 3.4 x 7.0 3.1 inches, part number GN10571, model size stock, Mani ...(May 9th, 2026)
• Delphi B0124vj79c Gn10633 Pencil Coil (60.5% similar) We back our ignition coil design with proven materials. Such as high quality wires and wire coating that resists the cracks. Delphi ignition coils are engineered to OE specifications built with the benefit of more than 100 years Delphi's heritage. Delphi GN10633 pencil coil: product features: uses ...(May 9th, 2026)
• Delphi B00ial3pzs Gn10372 Plug Top Ignition Coil (73.6% similar) Delphi's coils are designed and endurance tested to resist the common stresses that cause failure. That's important because more length results in greater voltage differences, which turn create pressure that could break down the insulation and wire coating.: Delphi ignition coils are designed to...(May 9th, 2026)
• Delphi B00ial3sfa Gn10383 Ignition Coil (79.5% similar) Delphi's ignition coils are designed with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes imperfections most often lead to failure issues. Delphi's ignition coils are engineered to original equipment specifications. Delphi GN10383 ignition coil: ...(May 9th, 2026)