AC DELCO 36VZSJJ36 Right Cylinder Head Sts

( Brand: Ac Delco ), ( Manufacturer Part Number: 36VZSJJ36 ), ( Type: Cylinder Head ), ( Placement On Vehicle: Right ), ( Fits 1: 2008-2011 Cadillac Cts ), ( Fits 2: 2008-2011 Cadillac Sts ), ( Fit Note: Engine Cylinder Head Remanufactured ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review AC DELCO Right Cylinder Head Cadillac Sts fits CTS 2008–2011

The **AC Delco 36VZSJJ36 Right Cylinder Head** is a precision-engineered, high-performance replacement component designed specifically for the **2008 2011 Cadillac CTS and STS** models equipped with the **3.6L Northstar V8 engine**. This meticulously crafted cylinder head is built to exacting standards, ensuring optimal performance, reliability, and longevity for your vehicle. Crafted from high-quality cast aluminum, the head features a robust, reinforced design that maintains structural integrity under high-pressure combustion conditions, reducing the risk of warping or cracking over time. The **36VZSJJ36** is engineered with **four intake and exhaust valves per cylinder**, allowing for superior airflow dynamics that enhance engine breathing, torque delivery, and overall power output. The head incorporates **modern valve seat inserts** for durability and precise sealing, while the **intake ports** are contoured to maximize airflow efficiency, contributing to a smoother, more responsive throttle response. Compatible with the **LS3-based Northstar V8**, this cylinder head is designed to work seamlessly with the engine s **coil-on-plug ignition system** and **variable valve timing (VVT)**, ensuring synchronized operation for peak performance. Whether you're restoring a classic CTS or upgrading an existing engine, this **OEM-quality replacement** delivers the same level of precision and engineering as the original equipment, guaranteeing a perfect fit and reliable operation. Built to withstand the demands of modern driving, this cylinder head is an essential component for maintaining the legendary power and refinement of the Northstar V8, ensuring your Cadillac continues to deliver the smooth, exhilarating performance it s known for.

### **Pros and Cons of buying a AC Delco 36VZSJJ36 Right Cylinder Head for a 2008 2010 Cadillac CTS/STS**

1. **OEM Quality and Fitment** AC Delco is a trusted aftermarket brand that produces parts designed to meet or exceed factory specifications. The **36VZSJJ36** is a direct replacement for the right cylinder head in the **LS3 (6.2L V8)** engine found in the 2008 2010 CTS/STS, ensuring proper fitment without modifications.

2. **Reliability and Durability** The LS3 engine is known for its robust construction, and an OEM-quality head like this one helps maintain the engine s longevity. AC Delco parts are built to withstand high temperatures and pressures, reducing the risk of premature failure.

3. **Easier Maintenance and Repairs** Since it s a direct replacement, replacing this head is a straightforward process. Mechanics familiar with LS3 engines will have experience working with it, reducing labor complications.

4. **Warranty Coverage** AC Delco parts typically come with a manufacturer s warranty (usually 1 2 years), providing some peace of mind against defects in materials or workmanship.

5. **Cost-Effective Alternative to OEM** While not a brand-new OEM part, this aftermarket head is significantly cheaper than purchasing a genuine Cadillac replacement, offering good value without sacrificing quality.

6. **Compatibility with Performance Upgrades** If you plan to modify your engine (e.g., forced induction, high-flow intake/exhaust), this head can serve as a solid foundation, though you may still need additional supporting components (e.g., upgraded valves, springs, or seals).

7. **Availability and Lead Times** AC Delco parts are widely stocked by auto parts retailers, reducing the risk of long wait times compared to rare OEM components.

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1. **Potential Quality Variations** While AC Delco is reliable, aftermarket parts can sometimes have slight inconsistencies in machining or material compared to brand-new OEM parts. This may not affect performance but could lead to minor issues like slight leaks or fitment quirks if not installed perfectly.

2. **No Original Warranty** Unlike a brand-new OEM part, this aftermarket head does not come with the full factory warranty, meaning you re responsible for any issues that arise post-installation.

3. **Resale Value Impact** If you ever sell the vehicle, some buyers may prefer OEM parts, potentially affecting resale value slightly. However, for most owners, this is a negligible concern.

4. **Installation Complexity** Replacing a cylinder head is a labor-intensive job that requires proper sealing, gasket replacement, and torque specifications. Improper installation can lead to leaks, compression loss, or even engine damage.

5. **Limited Customization** Unlike some high-end aftermarket heads, this part is a stock replacement and does not offer performance-enhancing features (e.g., larger ports, forged internals). If you re looking for a head for forced induction, you may need a specialized part.

6. **Potential for Counterfeit Parts** When purchasing online, there s a risk of receiving a counterfeit or low-quality knockoff, especially from unverified sellers. Always buy from reputable dealers (e.g., RockAuto, AutoZone, local junkyards with verified stock).

- New gaskets (head, valve cover, oil pan)

- Torque wrench and proper tools

- Possibly new bolts (if recommended by the manufacturer)

- Labor (if not DIY)

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### **Conclusion**

The **AC Delco 36VZSJJ36 right cylinder head** is an excellent **cost-effective, high-quality replacement** for the LS3 engine in your 2008 2010 Cadillac CTS/STS. It balances **reliability, fitment, and affordability** while avoiding the high cost of OEM parts. However, it s not a "better" part just a practical alternative. The decision ultimately depends on your priorities:

- **Choose this part if:** You want a **direct replacement** that s **affordable, widely available, and reliable** for daily driving or basic maintenance.

- **Consider OEM or premium aftermarket alternatives if:** You re doing a **full engine rebuild**, planning **forced induction**, or want the **longest possible warranty coverage**.

---

### **Recommendation**

1. **Verify the Part Number** Double-check that the **36VZSJJ36** is indeed the correct part for your specific vehicle (some LS3 builds may have slight variations). Confirm with your local mechanic or a trusted parts dealer.

2. **Buy from a Reputable Source** Purchase from **RockAuto, AutoZone, or a well-reviewed online retailer** to avoid counterfeit parts. If buying used, inspect for cracks, warping, or signs of previous damage.

3. **Prepare for Installation**

- Gather all necessary **gaskets, bolts, and tools** (including a **torque wrench**).

- Consider having a **mechanic with LS3 experience** perform the install if you re not confident in your DIY skills.

- Follow the **LS3 cylinder head replacement guide** (e.g., from **LS3Engine.com or GM s service manual**) meticulously.

4. **Post-Installation Checks**

- **Check for leaks** (oil, coolant) after startup.

- **Monitor temperature and performance** for the first 100 200 miles.

- **Re-torque bolts** if the engine was run before final tightening.

5. **Long-Term Considerations**

- If you plan to **modify the engine**, research whether this head is suitable for your goals (e.g., some aftermarket heads are better for high horsepower builds).

- Keep **spare gaskets and bolts** on hand for future maintenance.

**Final Verdict:** The **AC Delco 36VZSJJ36 is a smart, reliable choice** for most owners replacing a cylinder head in their LS3-powered CTS/STS. It strikes a balance between **cost, quality, and practicality**, making it ideal for routine maintenance or minor repairs. For high-performance applications, further research into specialized heads may be warranted.

Details:

Designed, engineered, tested, and warranted for GM vehicles. Product Specifications Meets or Exceeds OEM Specifications:Yes. Has passages that allow air and fuel to flow inside your engines cylinders while permitting the exhaust gases out. Precise fit for ease of installation.

Right Cylinder Head AC Delco 36VZSJJ36 for CadillAc CTS STS 2011 2008 2009 2010: Position: Brand: condition: RemanufActured, Notes Engine RemanufActured Features: Contains passages coolant to travel through, designed keep the head and engine cool in a water-cooled.

part #: 36vzsjj36 price

• $1192.18

specifications cylinderheapar:

• for models: Cts
• for makes: Cadillac
• for years: 2008-2011
• brand: Ac Delco
• mpn: 36vzsjj36
• type: Cylinder Head
• placement on vehicle: Right
• fits 1: 2008-2011 Cadillac Cts
• fits 2: 2008-2011 Cadillac Sts
• fit note: Engine Cylinder Head Remanufactured
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

seller cylinderheapar:

• city: Greenbush, MassAchusetts
• # reviews: 57801
• rating: 97.1%

payments cylinderheapar:

• credit card: Mastercard
• other
• wallet: Paypal

shipping cylinderheapar:

• cost: $0.00
• service: Standard
• class: Standard
• transit: 3-8 Days
• type: Fixed

returns cylinderheapar:

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

general cylinderheapar:

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

offer cylinderheapar:

• quantity: 1
• sold: 0
• availability: In Stock
• started: May 6, 2026
• options: Ship-to-home

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