DEATSCHWERKS 17U-21-0072-8 Fuel Injector Cadillac/chevy/pontiac

( Brand: Deatschwerks ), ( Manufacturer Part Number: 17U-21-0072-8 ), ( Part Type: Fuel Injector ), ( Return Notes: New, Unused Condition W/original Packaging )

Review DEATSCHWERKS Fuel Injector Cadillac/chevy/pontiac

The **Detschwerks 17U-21-0072-8 Fuel Injector** is a high-performance, precision-engineered component designed to deliver optimal fuel delivery for select Cadillac, Chevrolet, and Pontiac vehicles equipped with General Motors **L31, L32, L33, L34, and L36** 5.3L and 6.0L Vortec V8 engines. Crafted from durable **stainless steel** with a **ceramic-coated nozzle**, this injector is engineered to withstand the demands of high-performance applications, ensuring consistent and efficient fuel atomization for improved engine performance, throttle response, and fuel economy. The **17-21 series** injectors feature a **linear flow rate** of approximately **21 cc/minute at 40 psi**, making them ideal for both stock and modified engines seeking enhanced power output without sacrificing reliability. Built to GM s **OEM specifications**, this injector incorporates a **sealed ball valve** and **advanced solenoid technology** for precise fuel metering, reducing the risk of leaks, clogs, or erratic operation common issues in aftermarket alternatives. Whether used in a **stock tune, forced induction setup, or high-RPM performance application**, the Detschwerks 17U-21-0072-8 ensures clean, consistent fuel delivery, helping to maximize horsepower, torque, and overall engine longevity. Its **direct-fit compatibility** with GM s fuel rail systems eliminates the need for adapters, while its **durable construction** resists corrosion and wear, making it a trusted choice for enthusiasts and professional tuners alike. Backed by Detschwerks reputation for **precision manufacturing and reliability**, this injector is a critical upgrade for anyone seeking to fine-tune their GM V8 for better performance, efficiency, and durability.

### Pros and Cons of buying a **DATSUN (Deatschwerks) 17U-21-0072-8 Fuel Injector** for Cadillac, Chevy, or Pontiac Vehicles

1. **Compatibility** The **17U-21-0072-8** is a high-quality, OEM-replacement injector designed for **GM s 2.4L and 2.2L Ecotec engines** (common in Cadillac CTS, Chevy Cobalt, Malibu, and Pontiac G6). It matches the original specifications, ensuring proper fitment and performance.

2. **Durability & Performance** Deatschwerks (now DATSUN) is known for manufacturing **high-flow, reliable injectors** that improve fuel delivery, reduce clogging, and enhance throttle response. These injectors are built to last longer than aftermarket alternatives, especially when paired with proper fuel system maintenance.

3. **OEM-Level Quality** Unlike cheap knockoffs, this injector is **engineered to GM s original standards**, meaning it should perform similarly to a factory unit without the risk of premature failure.

4. **Wider Flow Range** The **17U-21-0072-8** is a **21 lb/hr injector**, which is suitable for **turbocharged and high-performance applications** (if properly tuned). It can handle increased fuel demand better than stock injectors in some cases.

5. **Easier Installation** Since it s a direct replacement, it should fit into the existing injector rail without modification, assuming the harness and wiring are intact.

6. **Warranty & Support** DATSUN offers **warranty coverage** on their injectors, providing some peace of mind against defects.

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1. **Cost** While not excessively expensive, this injector is **more expensive than basic aftermarket alternatives** (e.g., some Chinese or generic injectors). For a single injector, prices typically range between **$150 $250**, depending on the seller.

2. **Potential for Counterfeit Products** Since this is a **popular OEM-style injector**, there is a risk of purchasing **fake or low-quality knockoffs**, especially from untrusted online sellers. Always buy from **reputable dealers** (e.g., Deatschwerks/DATSUN s official site, RockAuto, or trusted eBay sellers).

3. **Requires Proper Tuning** If you re upgrading from stock injectors, **ECU tuning is necessary** to prevent fueling issues (too rich or too lean). An improperly tuned system can lead to **poor performance, rough idle, or even engine damage**.

4. **Fuel System Dependence** Injectors alone won t fix **clogged fuel lines, a failing fuel pump, or contaminated fuel**. If the rest of the fuel system is degraded, the injector may not perform optimally.

5. **Limited Longevity Without Maintenance** Even high-quality injectors **clog over time** if the fuel contains debris or additives. Regular **fuel system cleanings** (e.g., Seafoam, Techron, or professional ultrasonic cleaning) are recommended.

6. **Not a Universal Fix** If the issue is **wiring, a faulty ECM, or a failing fuel pump**, replacing just the injector won t resolve the problem. A **diagnostic check** is essential before purchasing.

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The **DATSUN 17U-21-0072-8 fuel injector** is a **solid OEM-replacement choice** for GM s 2.4L/2.2L Ecotec engines, offering **better durability and performance** than many aftermarket options. It s ideal for **replacement, upgrades, or high-performance applications** when properly tuned and maintained.

However, it s **not a universal solution** it requires **proper installation, tuning, and fuel system care** to function correctly. If you re dealing with **electrical issues, fuel delivery problems, or a failing pump**, addressing those first will ensure the injector performs as expected.

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- **Buy from a trusted source** (DATSUN s official site, RockAuto, or a well-reviewed dealer) to avoid counterfeit injectors.

- **Get the system diagnosed** before purchasing ensure the **fuel pump, fuel pressure, and wiring** are functioning properly.

- **Have the ECU tuned** if upgrading from stock injectors to prevent fueling issues.

- **Maintain the fuel system** with **clean fuel additives** and **regular injector cleanings** to extend injector life.

- **Consider a full set** (4 injectors) if replacing all at once for **consistent performance** and to avoid mismatched flow rates.

**Final Verdict:** If you need a **reliable, high-quality injector** for your GM Ecotec engine and are prepared for proper tuning and maintenance, the **DATSUN 17U-21-0072-8** is a **strong choice**. However, if your issue is broader than just the injector, address those first for long-term success.

Details:

Items must be New, Unused, Not Installed, in the Original Packaging and able to resold. Manufacturer: DeatschWerks. Brand: DeatschWerks. MPN: 17U-21-0072-8.

Domestic Shipping: The shipping cost on this listing or the Free Shipping is for lower 48 States. Condition: New.

part #: 17u2100728 prices

• $719.00-$801.25

specifications carfuelinjector:

• for makes: Cadillac, Chevy, Pontiac
• brand: Deatschwerks
• mpn: 17u-21-0072-8
• part type: Fuel Injector
• return notes: New, Unused Condition W/original Packaging

seller carfuelinjector:

• rating: 99.4%
• # reviews: 182026
• city: Grant, Michigan

shipping carfuelinjector:

• class: Expedited
• type: Fixed
• cost: $0.00
• transit: 2-6 Days
• service: Expedited

general carfuelinjector:

• Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
• condition: New

offer carfuelinjector:

• quantity: 1
• availability: In Stock
• started: June 3, 2026
• sold: 0
• options: Ship-to-home

returns carfuelinjector:

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

payments carfuelinjector:

• credit card: Mastercard
• wallet: Paypal
• other

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