VOLKSWAGEN 111101351A Cylinder Head 306-50043 54 59 111101371A 36HP

( Manufacturer Part Number: 111101351A ), ( Conditions Options: 36hp Asis Non Tested Pair ), ( Genuine Oem: Yes ), ( Ipn: 306-50043 ), ( Descriptionpartcondition: 54 59 Volkswagen Beetle Oem Pair Cylinder Head As Is Not Tested 1 ), ( Manufacturer Warranty: 90 Day ), ( Type: Cylinder Head ), ( Oe/oem Part Number: 111101371a ), ( Partout Id: A-126677618 )

Review VOLKSWAGEN 54 59 Oem Pair Cylinder Head As Is Not Tested 36hp fits BEETLE 1958

The **Volkswagen 111101351A 54/59 Beetle Cylinder Head (111101371A, 36HP)** is a meticulously engineered component designed specifically for the iconic Type 1 Volkswagen Beetle, particularly those models produced between the mid-1950s and early 1960s, including the **1500, 1500S, and 1500S Super** variants. This cylinder head is a critical part of the Beetle s air-cooled, flat-four engine, ensuring optimal combustion efficiency, cooling performance, and long-term reliability. Crafted from high-quality cast iron, the head features a robust, durable construction that has stood the test of time, making it a sought-after replacement for both classic restorations and high-performance modifications. The **111101351A** designation corresponds to the original head for the **36HP (1,493cc) engine**, which was the standard powerplant for these models, delivering a balanced blend of torque and efficiency. The head includes precision-machined combustion chambers, strategically placed intake and exhaust ports, and a threaded design for the **spark plugs, rocker covers, and valve springs**, ensuring proper sealing and airflow. For enthusiasts looking to enhance their Beetle s performance, this head can be paired with upgraded valves, a high-lift camshaft, or a performance carburetor to unlock additional horsepower while maintaining the engine s classic charm. Whether restoring a vintage Beetle to its original glory or pushing it to new performance heights, this cylinder head remains a cornerstone of the engine s functionality, offering a perfect blend of authenticity and mechanical excellence.

### **Pros and Cons of Buying a Volkswagen Beetle Cylinder Head (Part Numbers: 111101351A 54/59 and 111101371A, 36HP)**

#### **Pros**

1. **Compatibility and Fit**

- These cylinder heads are designed specifically for the **1959 1965 Volkswagen Beetle (Type 1)** with the **1,192cc air-cooled engine** (commonly referred to as the "36HP" model).

- The **111101351A** is the standard head for the **1959 1961** models, while the **111101371A** is used in **1962 1965** versions, ensuring proper alignment with intake/exhaust manifolds and valve timing.

- Both heads are **direct replacements** for worn or damaged original parts, maintaining factory specifications.

2. **Performance Potential**

- The **111101371A** (1962 ) features **slightly improved valve angles and porting** compared to the earlier 111101351A, which can enhance airflow and mild performance gains if paired with a tuned engine.

- These heads are **commonly used in restoration projects** to restore stock power or as a base for modifications (e.g., porting, valve upgrades, or high-flow headers).

- The **36HP engine** is a popular platform for **DIY tuning**, and these heads are often chosen for their **durability and ease of modification**.

3. **Availability and Cost**

- Both part numbers are **widely available** from Volkswagen specialty suppliers, eBay, and salvage yards, making them easier to source than rare original parts.

- Pricing is **reasonable** compared to OEM replacements, typically ranging from **$150 $300 USD** depending on condition and source.

- The **111101371A** may be slightly more expensive due to its later model compatibility, but both are budget-friendly compared to full engine rebuilds.

4. **Durability and Longevity**

- Cast from **gray iron**, these heads are **robust** and designed to handle the **36HP engine s moderate stress levels** when properly maintained.

- Many original heads from this era **last decades** with basic upkeep, and replacements like these ensure **long-term reliability** if installed correctly.

- The **threaded spark plug holes and valve guide design** are standard for the era, reducing compatibility issues with aftermarket parts.

5. **Restoration and Classic Appeal**

- For **Beetle enthusiasts**, using these **genuine or high-quality aftermarket heads** enhances the **authentic vintage look** of a restored vehicle.

- The **111101371A** is often preferred in restorations because it **matches later-model Beetles**, improving aesthetic consistency.

- These parts are **essential for maintaining historical accuracy** in show cars.

---

#### **Cons**

1. **Potential for Wear or Damage**

- Used or salvaged heads may have **burnt valves, cracked gaskets, or warped surfaces**, requiring **machining or replacement of internal components** before installation.

- **Valve seats and guides** can wear out over time, especially in high-mileage engines, necessitating **rebuilding or replacement** before use.

- The **111101351A** (1959 61) has **less refined porting** than the 111101371A, which may limit airflow if not modified.

2. **Installation Challenges**

- **Valve spring pressure and retainer design** are **notoriously weak** on the 36HP engine, leading to **valve float at high RPMs** if not addressed.

- **Gasket sealing** can be problematic **copper or silicone gaskets** may leak over time, requiring **careful installation and torque specifications**.

- **Threaded spark plug holes** are prone to **stripping** if over-tightened, so **proper torque (15 20 Nm)** is critical.

3. **Limited Performance Gains Without Modifications**

- These heads **do not significantly boost power** on their own; **stock airflow is restrictive** due to small valves and poor porting.

- For **serious performance**, additional modifications (e.g., **porting, larger valves, high-flow headers, or a supercharger**) are needed, which can **increase cost and complexity**.

- The **36HP engine is not a high-RPM machine**, so **valve train issues** (e.g., valve float) become apparent at **above 4,000 RPM**, limiting top-end power.

4. **Maintenance Requirements**

- **Regular valve adjustment** is necessary (every **1,000 2,000 miles** for the 36HP) to prevent **valve train wear**.

- **Oil changes must be frequent** (every **1,000 miles** in the first year, then every **2,000 3,000 miles**) to prevent **sludge buildup** in the air-cooled system.

- **Thermostat and cooling system maintenance** is critical **clogged air vents or rusted radiators** can lead to **overheating and head warpage**.

5. **Aftermarket vs. OEM Concerns**

- **Non-OEM heads** (even if "VW-patterned") may have **poor machining tolerances**, leading to **leaks or poor sealing**.

- Some **cheap aftermarket heads** lack **proper valve seat angles**, causing **pre-ignition or detonation** under load.

- **Salvaged heads** may have **hidden damage** (e.g., **cracked decks, burnt exhaust ports**), requiring **ultrasonic inspection** before purchase.

---

### **Conclusion**

Buying a **Volkswagen Beetle cylinder head (111101351A or 111101371A)** is a **practical and cost-effective** choice for **restoration, repair, or mild tuning** of a **1959 1965 36HP Beetle**. These parts offer **direct compatibility, decent durability, and a strong aftermarket support system**, making them ideal for **DIY mechanics and classic car enthusiasts**.

However, **potential issues** such as **valve train weaknesses, gasket leaks, and limited stock performance** mean that **proper inspection, maintenance, and possible modifications** are essential for **long-term reliability**. If you plan to **push the engine beyond stock specs**, additional upgrades (e.g., **valve springs, porting, or forced induction**) will be necessary.

For **budget-conscious restorers or casual drivers**, these heads are a **solid investment**. For **serious performance builds**, they serve as a **good foundation** but require **supplementary work** to unlock meaningful power gains.

---

### **Recommendation**

- **Purchase a used 111101371A head** (1962 ) for **better porting and later-model compatibility**.

- **Inspect for cracks, warping, or burnt valves** consider **machining or rebuilding** if needed.

- **Use a high-quality gasket (copper or silicone)** and **follow torque specs** to prevent leaks.

- **Pair with a valve spring upgrade** (e.g., **VW 36HP valve springs or aftermarket options**) to reduce float.

- **Port the head lightly** (or have a professional do it) to improve airflow.

- **Install a high-flow exhaust manifold** (e.g., **VW 111101381A or aftermarket**) to reduce backpressure.

- **Upgrade the carburetor** (e.g., **Solex 26 ICO or Weber 32 ICO**) for better fuel delivery.

- **Monitor oil changes strictly** and **adjust valves regularly** to maintain reliability.

- **Avoid heads with visible cracks, burnt exhaust ports, or seized valves.**

- **Check for warpage** using a **straightedge and feeler gauge**.

- **Test-fit with manifolds** to ensure **proper sealing** before purchase.

- **Consider a full engine rebuild** if the block is worn, but **replacing just the head is cheaper**.

- **Avoid cheap no-name heads** stick to **VW-patterned or reputable brands** (e.g., **VW Parts Pro, Beetle Parts Store, or eBay sellers with good reviews**).

- **Document the installation process** these engines are **forgiving but unforgiving if neglected**.

You need a **direct replacement** for a **1959 1965 Beetle 36HP engine**.

You re **restoring a

Details:

Not just our Heritage, but Legacy 54 59 Volkswagen Beetle OEM Pair Cylinder Head AS IS Tested 111101371A 36HP. Orders placed after 2:00 pm CST cannot be guaranteed shipping that day. Cylinder head are guaranteed to be non-cracked, non-warped, good usable heads.

54 59 Volkswagen Beetle OEM Pair Cylinder Head AS IS Not Tested 111101371A 36HP: Some vehicles have different specs that must be matched to ensure fit.

part #: 111101351a price

• $875.00

specifications cylinderheapar:

• for models: Beetle
• for makes: Volkswagen
• for years: 1958
• mpn: 111101351a
• conditions options: 36hp Asis Non Tested Pair
• genuine oem: Yes
• ipn: 306-50043
• descriptionpartcondition: 54 59 Volkswagen Beetle Oem Pair Cylinder Head As Is Not Tested 1
• manufacturer warranty: 90 Day
• type: Cylinder Head
• oe/oem part number: 111101371a
• partout id: A-126677618

payments cylinderheapar:

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

general cylinderheapar:

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

shipping cylinderheapar:

• cost: $25.00
• service: Standard
• class: Standard
• transit: 4-7 Days
• type: Fixed

seller cylinderheapar:

• rating: 99.7%
• city: Mobile, Alabama
• # reviews: 63229

returns cylinderheapar:

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

offer cylinderheapar:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• best offers: True
• sold: 0
• started: May 7, 2026

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