1. Cylinder Heads & Parts Engines Components For Sale
  2. sku: 11670149181595762
  3. MAZDA PROTEGE

MAZDA 306-59201 Cylinder Head 1.6L

fits model: Protege. make: Mazda. year: 2001–2003.

306-59201 Mazda Cylinder Head 1.6l Fits 01-03 Protege 229215

( Part Type: Cylinder Head ), ( Conditions Options: 1.6l ), ( Genuine Oem: Yes ), ( Ipn: 306-59201 )

Review MAZDA Cylinder Head 1.6l fits PROTEGE 2001–2003

The **Mazda 306-59201 cylinder head** is a precision-engineered component designed specifically for the **1.6L MZR engine** found in Mazda vehicles from **2001 to 2003**, including the **Mazda Proteg , Mazda6, and Mazda Tribute**. This high-performance cylinder head is crafted from **high-grade cast iron**, ensuring durability and resistance to thermal stress while maintaining optimal heat dissipation for reliable engine operation. The head features **four valves per cylinder** (two intake and two exhaust) arranged in a **DOHC (Dual Overhead Camshaft)** configuration, allowing for efficient airflow and improved combustion efficiency. The **intake ports** are contoured to maximize airflow velocity, while the **exhaust ports** are designed to minimize backpressure, contributing to better throttle response and overall engine performance. The **camshafts** are mounted on precision bearings, reducing friction and wear while maintaining smooth operation under high loads. This cylinder head is compatible with **Mazda s fuel-injected systems**, including the **MZR-L (2001-2003)** variant, and is designed to work seamlessly with the **16-valve architecture** that defines this engine family. Whether used in a **restoration project, performance upgrade, or replacement due to wear**, this cylinder head provides a robust foundation for maintaining or enhancing the engine s power output and longevity. Proper installation requires **sealing with high-temperature gaskets** and **correct torque specifications** to prevent leaks and ensure optimal performance. For best results, pair this component with **OEM-quality valves, springs, and retainers** to uphold the engine s original specifications and reliability.

### **Pros and Cons of Buying a 2001-2003 Mazda Proteg with a 1.6L 4-Cylinder (Engine Code 306-59201) Cylinder Head**

#### **Pros**

1. **Reliability and Durability** The 1.6L engine (BP26) in the 2001-2003 Mazda Proteg is known for being a robust, fuel-injected inline-four that can last well over 200,000 miles with proper maintenance. Many owners report minimal issues if the car is kept on a regular maintenance schedule.

2. **Affordability** Parts for this engine are relatively inexpensive compared to newer vehicles. Common components like spark plugs, belts, and basic mechanical parts are widely available and cost-effective.

3. **Simplicity** The engine is straightforward to work on, with a relatively simple design that doesn t require advanced mechanical knowledge for basic repairs. This makes DIY maintenance more accessible.

4. **Fuel Efficiency** The 1.6L engine is known for decent fuel economy, typically around 25-30 MPG in the city and 35-40 MPG on the highway, which is reasonable for its class.

5. **Availability of Used Parts** Since this model is from the early 2000s, there is a large pool of used parts available, including entire engines, cylinder heads, and other components. This makes repairs easier and more cost-effective.

6. **Potential for Modifications** The engine can be tuned or modified for better performance, though it s not as popular as some other Mazdas (like the RX-7 or Miata). Simple upgrades like cold air intakes or exhaust systems can improve drivability.

7. **Low Running Costs** Beyond basic maintenance, major repairs are uncommon, and the cost of ownership is generally low compared to modern vehicles.

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#### **Cons**

1. **Common Issues with the Cylinder Head** The 306-59201 cylinder head is notorious for developing **leaking head gaskets** or **warping**, which can lead to overheating, coolant leaks, or compression loss. This is one of the most frequent failure points in this engine.

2. **Timing Chain Wear** Some owners report issues with the timing chain stretching or jumping, which can cause misfires or catastrophic engine damage if not addressed. Regular inspection and replacement of the timing chain and tensioners are recommended.

3. **Oil Consumption** A few owners have reported excessive oil consumption, which can be a sign of worn piston rings or valve seals. This is not universal but is something to monitor.

4. **Transmission Concerns** The automatic transmission (if equipped) can be finicky, with reports of rough shifting or failure over time. The manual transmission is generally more reliable but may require attention to clutch wear.

5. **Electrical Gremlins** Early models, especially those with higher mileage, can suffer from electrical issues such as faulty sensors, alternator problems, or wiring harness failures. These are often minor but can be frustrating to diagnose.

6. **Rust and Body Issues** Depending on the climate and driving conditions, the Proteg may develop rust in the wheel wells, undercarriage, or frame. A thorough inspection of the body and chassis is essential before purchase.

7. **Limited Modern Safety Features** Compared to today s standards, the Proteg lacks advanced safety features like modern airbag systems, stability control, or electronic traction control. It also has a lower crash-test rating by modern standards.

8. **Depreciation and Resale Value** The Proteg is not a highly sought-after vehicle, so resale value is low. If you plan to keep the car long-term, this may not be a major concern, but it s worth noting.

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### **Ending Conclusion**

The **2001-2003 Mazda Proteg with a 1.6L 4-cylinder engine (306-59201 cylinder head)** can be a **great budget-friendly choice** if you prioritize reliability, affordability, and simplicity. It s a **solid daily driver** for those who keep up with maintenance, especially focusing on the cylinder head, timing chain, and cooling system. However, **buyers should be prepared for potential issues** like head gasket leaks, timing chain wear, and minor electrical quirks. If you re comfortable with basic mechanical work or have access to a trusted mechanic, this engine can provide **many years of trouble-free service**.

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### **Recommendation**

1. **Inspect the Cylinder Head Thoroughly** Before purchasing, ensure the head is not warped or cracked. Check for signs of coolant leaks, oil dilution, or overheating history. If the head has been replaced, confirm the quality of the new part.

2. **Check the Timing Chain and Tensioners** Have a mechanic inspect the timing chain for stretch or wear. Replace it if necessary, as a failed timing chain can cause severe engine damage.

3. **Test Drive and Cooling System Check** Run the engine and monitor for overheating, unusual noises, or vacuum leaks. Ensure the radiator, hoses, and thermostat are in good condition.

4. **Review Maintenance Records** Ask the seller for service history, especially regarding oil changes, spark plugs, and timing chain inspections. A well-maintained Proteg will be far more reliable.

5. **Budget for Potential Repairs** Allocate funds for **head gasket replacement (if needed), timing chain service, and minor electrical fixes**. These are the most common issues to address.

6. **Consider a Manual Transmission** If available, a manual transmission Proteg may offer better longevity and driving enjoyment, though it requires more attention to clutch maintenance.

7. **Buy from a Trusted Seller** Prefer a private seller with a clean title and warranty, or a reputable used car dealer who offers a short warranty. Avoid salvage-title vehicles unless you re experienced with repairs.

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**Final Verdict:** If you re looking for a **low-cost, reliable commuter car** and are willing to address common issues proactively, the **2001-2003 Mazda Proteg with a 1.6L engine** can be an excellent purchase. However, if you re not comfortable with basic mechanical work or want a vehicle with fewer potential headaches, consider alternatives like a **Toyota Corolla, Honda Civic, or Mazda Miata** from the same era.

Details:

MAZDA PROTEGE 02-03 1.6L. Warren, MI 48091. No expedited shipping is available.

part #: 306-59201 price

  • $468.00

specifications cylinderheapar:

  • for models: Protege
  • for makes: Mazda
  • for years: 2001-2003
  • part type: Cylinder Head
  • conditions options: 1.6l
  • genuine oem: Yes
  • ipn: 306-59201

general cylinderheapar:

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

offer cylinderheapar:

  • quantity: 1
  • sold: 0
  • availability: In Stock
  • started: March 5, 2026
  • options: Ship-to-home

returns cylinderheapar:

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

seller cylinderheapar:

  • city: Warren, Michigan
  • # reviews: 1388
  • rating: 97.2%

payments cylinderheapar:

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

shipping cylinderheapar:

  • cost: $0.00
  • carrier: UPS
  • type: Fixed
  • service: UPS Ground
  • transit: 2-6 Days
  • class: Standard
for models: protege, for makes: mazda, for years: 2001-2003, part type: cylinder head, conditions options: 1.6l, genuine oem: yes,
manufacturer: mazda, category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, sku: 11670149181595762,
Mazda 229215 Is Similar To:
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1 offer $468.00 USD
  • Used. Offer #1 priced at $468.00 + $0.00 shipping estimate = $468.00* total. MAZDA PROTEGE 02-03 1.6L.FREE SHIPPING

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