AC DELCO 38757ZTZN Engine Cylinder Head

( Brand: Ac Delco ), ( Manufacturer Part Number: 38757ZTZN ), ( Part Type: Engine Cylinder Head ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Engine Cylinder Head Assembly New; Without Cam Shafts And H. ), ( Years: 2013 2014 2012 2011 2015 ), ( Application: Chevrolet Cruze Engine Cylinder Head Assembly ), ( Product Name 2: Cylinder Head ), ( Cs-sku: 400 )

Review AC DELCO Chevrolet Engine Cylinder Head Assembly fits CRUZE 2011–2015

The **AC Delco 38757ZTZN** is a high-performance, direct-replacement cylinder head designed specifically for the **2011 2015 Chevrolet Cruze** engines, including the **1.8L and 2.0L inline-four (LNF and LNF2) powerplants**. Engineered to meet or exceed OEM standards, this precision-crafted component is built to restore optimal performance, reliability, and efficiency to your vehicle s combustion chamber system. Constructed from high-grade cast iron, the head features a robust, durable design with integrated **valve seats, guides, and a sealing gasket surface**, ensuring a secure, leak-free fit when properly installed. The **four-valve-per-cylinder architecture** (two intake and two exhaust valves) allows for improved airflow and combustion, contributing to better throttle response, fuel economy, and overall engine efficiency. This cylinder head is compatible with both **naturally aspirated and turbocharged** configurations, making it a versatile upgrade for Cruze owners seeking enhanced power or a restoration-quality replacement. With its **threaded spark plug holes, precise valve stem spacing, and optimized combustion chamber geometry**, the 38757ZTZN delivers the structural integrity and performance characteristics required to maintain peak engine function. Whether used in a full engine rebuild, a performance modification, or as a direct replacement for a worn or damaged original part, this component is a trusted choice for mechanics and enthusiasts alike, ensuring a seamless fit and reliable operation for years to come.

### **Pros and Cons of buying a AC Delco 38757ZTZN Cylinder Head for a 2011-2015 Chevrolet Cruze**

1. **OEM Quality and Fit** The AC Delco 38757ZTZN is a direct replacement part designed specifically for the 2011-2015 Chevrolet Cruze s 1.8L or 2.0L engine (depending on model year). This ensures proper fitment, reducing the risk of installation issues or misalignment.

2. **Reliability and Durability** AC Delco is a trusted brand under General Motors, known for producing high-quality aftermarket parts that meet or exceed OEM standards. A properly installed head should last as long as an original part if maintained correctly.

3. **Warranty Coverage** Many AC Delco parts come with a manufacturer s warranty (typically 1-2 years), providing some protection against defects in materials or workmanship.

4. **Easier Availability** Unlike some rare or discontinued OEM parts, this AC Delco head is widely stocked by auto parts retailers, making it easier to purchase without long wait times.

5. **Cost-Effective Alternative to OEM** While not as cheap as generic aftermarket parts, it is often more affordable than buying a brand-new OEM cylinder head, which may be discontinued or priced higher.

6. **Compatibility with Common Modifications** If you plan to upgrade components like valves, springs, or seals, this head is designed to accommodate standard aftermarket upgrades for the Cruze s engine family.

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1. **Potential for Counterfeit or Low-Quality Units** Since this is a popular part, there is a risk of purchasing a counterfeit or substandard AC Delco head, especially from untrusted online sellers. Always buy from reputable dealers (e.g., RockAuto, AutoZone, or local GM dealerships) to verify authenticity.

2. **Installation Challenges** Replacing a cylinder head requires mechanical skill, proper tools (torque wrench, gasket scraper, head gasket kit), and knowledge of engine mechanics. Improper installation (e.g., overtightening bolts, incorrect gasket application) can lead to leaks, warping, or long-term damage.

- A **new head gasket kit** (AC Delco or OEM).

- **Valve seals** (if the engine has history of leaks).

- **Thread locker or anti-seize compound** (for bolts).

- **Coolant and oil** (for flushing before installation).

These extras can add $100 $300 to the total cost.

4. **Labor Intensity** Head replacement is a labor-intensive job, often requiring removal of the intake manifold, exhaust manifold, and possibly the camshaft. If you lack experience, hiring a mechanic may cost $500 $1,200 depending on the shop.

5. **Potential for Hidden Damage** If the head was removed due to overheating, warping, or cracks, simply replacing it may not solve the root cause. Inspect the block, pistons, and cooling system to avoid recurring issues.

6. **Limited Longevity if Misused** Poor maintenance (e.g., overheating, lack of coolant changes, or using low-quality oil) can reduce the lifespan of even a new head. Regular upkeep is essential.

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### **Conclusion and Recommendation**

The **AC Delco 38757ZTZN cylinder head** is a **solid choice** for a 2011 2015 Chevrolet Cruze if you need a reliable, direct-fit replacement. It balances **quality, availability, and cost** better than many aftermarket alternatives, though it may not be the absolute cheapest option. However, the risks primarily **counterfeit parts, installation errors, and hidden engine issues** must be mitigated.

1. **Verify Authenticity** Purchase from a trusted seller (e.g., RockAuto, AutoZone, or a local GM parts store) to avoid counterfeits. Check the part number and packaging for signs of authenticity (e.g., GM logos, serial numbers).

- **Warping** (use a straightedge and feeler gauges).

- **Cracks** (visually inspect or use a dye penetrant test).

- **Block damage** (piston-to-head clearance, warped cylinder bores).

If the block or pistons are damaged, address those first.

3. **Use Proper Installation Procedures**

- Follow the **GM service manual** or a reputable guide (e.g., Haynes or Chilton) for torque specs and steps.

- Replace the **head gasket and valve seals** with new parts.

- Use **anti-seize compound** on bolts to prevent seizing.

- Torque bolts in the **correct sequence and specifications** (usually 60 70 ft-lbs for the Cruze).

4. **Consider Professional Help** If you re not experienced with engine work, **hire a mechanic** to ensure proper installation. A rushed or incorrect job can lead to **coolant leaks, compression loss, or catastrophic failure**.

5. **Maintain the Engine Post-Installation**

- **Monitor coolant levels** and check for leaks regularly.

- **Use high-quality oil and coolant** to prevent premature wear.

- **Avoid overheating** ensure the cooling system is functioning correctly.

6. **Budget for Extras** Account for **gasket kits, seals, and tools** (e.g., torque wrench, gasket scraper) if you re doing it yourself. If labor is involved, get multiple quotes to ensure fair pricing.

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- You need a **reliable, OEM-quality replacement** for your Cruze s cylinder head.

- You re **prepared to invest time or money in proper installation** (either DIY with research or professional labor).

- You ve **ruled out underlying engine issues** (warped block, seized pistons, etc.).

- You re buying from an **untrusted seller** with no return policy.

- You **lack mechanical experience** and can t afford professional installation.

- The engine has **history of overheating or damage**, which may require additional repairs.

For most Cruze owners, this part is a **worthwhile investment** when purchased and installed correctly. However, **cutting corners on quality or installation can lead to costly problems down the road**.

Details:

Parts Geek - For 2011 - 2015 Chevrolet Cruze Engine Cylinder Head Assembly AC Delco 38757ZTZN: Review Fitment Notes to Ensure Proper Fit condition: Remanufactured Brand: Notes: New; Without CAM SHAFTS AND HYDRAULIC LASH ADJUSTERS Features: GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. GM regularly updates production and service part designs to integrate new materials technologies. Some GM Genuine Parts may have formerly appeared as AcDelco Original Equipment OE.

part #: 38757ztzn price

• $861.08

specifications cylinderheapar:

• for models: Cruze
• for makes: Chevrolet
• for years: 2011-2015
• brand: Ac Delco
• mpn: 38757ztzn
• part type: Engine Cylinder Head
• manufacturer warranty: 12 Month Warranty
• notes: Engine Cylinder Head Assembly New; Without Cam Shafts And H.
• years: 2013 2014 2012 2011 2015
• application: Chevrolet Cruze Engine Cylinder Head Assembly
• product name 2: Cylinder Head
• cs-sku: 400

seller cylinderheapar:

• city: Rockville Centre, New York
• # reviews: 328360
• rating: 98.8%

shipping cylinderheapar:

• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• transit: 3-7 Days
• class: Standard
• cost: $0.00

returns cylinderheapar:

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

payments cylinderheapar:

• other
• credit card: Mastercard
• wallet: Paypal

general cylinderheapar:

• condition: RemanufActured
• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads

offer cylinderheapar:

• sold: 0
• quantity: 1
• started: April 15, 2026
• options: Ship-to-home
• availability: In Stock

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