1. Cylinder Heads & Parts Engines Components For Sale
  2. sku: 12265529060402723
  3. TOYOTA 13715-62021

TOYOTA 13715-62021 Exhaust Valve 3.4L 5VZ

fits model: T100, Tacoma, 4runner. make: Toyota. year: 1995–2004.

13715-62021 Toyota 95-04 Tacoma 4runner T100 3.4l 5vz 6 Pcs Exhaust Valve Valves Oem

( Manufacturer Part Number: 13715-62021 ), ( Part Type: Valve Exhaust ), ( Oe/oem Part Number: 13715-62020 1371562020 ), ( Material: Valves ), ( Finish: Polished ), ( Country Of Origin: Japan )

Review TOYOTA 3.4l 5vz Pcs Exhaust Valve Valves Oem fits TACOMA 4RUNNER T100 1995–2004

The **Toyota 13715-62021 Exhaust Valve Assembly** is a precision-engineered component designed exclusively for the **1995 2004 Toyota 4Runner, Tacoma, and T100** vehicles equipped with the **3.4L 5VZ inline-five engine**. This high-performance valve set is meticulously crafted to meet the demanding requirements of Toyota s legendary **5VZ engine architecture**, ensuring optimal airflow, combustion efficiency, and long-term reliability. Engineered from **high-grade, heat-resistant materials**, these valves are treated with advanced **nitride or chrome plating** to enhance durability against thermal stress, corrosion, and wear, making them ideal for both stock applications and performance modifications. The **exhaust valves** in this assembly feature a **larger head diameter** compared to OEM parts, promoting superior exhaust gas evacuation and reducing backpressure, which contributes to improved horsepower and torque output. Compatible with **standard and high-flow cylinder heads**, these valves are designed to pair seamlessly with **stainless steel or titanium retainers and springs**, offering a robust solution for enthusiasts looking to enhance engine performance or restore worn components. Whether used for a **restoration project, engine rebuild, or performance upgrade**, this valve set delivers the precision and strength required to maintain peak engine function in Toyota s rugged, high-mileage workhorses. Built to Toyota s exacting standards, this part ensures a perfect fit and reliable operation, helping to extend the lifespan of your 5VZ-powered vehicle while delivering the performance gains expected from a well-maintained engine.

### **Pros and Cons of Buying a Used Toyota 3.4L 5VZ Engine (1995 2004 Tacoma, 4Runner, T100) with Exhaust Valve Issues**

#### **Pros**

1. **Reliability of the Toyota 5VZ Engine**

- The 3.4L 5VZ engine is known for its durability, especially when properly maintained. Many examples last well beyond 200,000 miles with basic upkeep.

- Toyota s reputation for longevity in truck engines means parts and labor are widely available, even for older models.

2. **Strong Aftermarket Support**

- The 5VZ is a popular engine in the truck community, so finding performance parts, upgrades, and tuning solutions is relatively easy.

- Common modifications (turbocharging, forced induction, fuel system upgrades) are well-documented, making it a good candidate for future power increases.

3. **Potential for Cost-Effective Restoration**

- If the engine is otherwise sound (crankshaft, pistons, rods, timing chain) and the issue is isolated to the exhaust valves, a valve job can be a relatively inexpensive fix compared to a full engine rebuild.

- Used 5VZ engines can often be found for a fraction of the cost of a new or rebuilt one, making them attractive for budget-conscious buyers.

4. **Compatibility with Classic Trucks**

- The 5VZ powers some of the most iconic Toyota trucks (Tacoma, 4Runner, T100), which have strong aftermarket communities for restoration and customization.

- The drivetrain (4WD systems, transfer cases) is well-proven and easy to work on.

5. **Fuel Efficiency and Drivability**

- The naturally aspirated 5VZ offers decent fuel economy (around 12 16 MPG combined in a Tacoma/4Runner) and smooth power delivery, making it practical for daily driving.

- The V6 layout provides a good balance of torque and reliability for towing and hauling light loads.

---

#### **Cons**

1. **Exhaust Valve Wear is a Common Failure Point**

- The 5VZ is notorious for exhaust valve wear, often due to poor oil quality, lack of maintenance, or overheating. If the valves are seized or cracked, this can lead to catastrophic engine failure if ignored.

- Replacing valves, seats, and springs is labor-intensive and costly (typically $1,500 $3,000 depending on labor rates and parts quality).

2. **Potential for Hidden Engine Damage**

- If the valves failed due to overheating or lack of lubrication, other components (piston rings, cylinder walls, timing chain) may also be compromised.

- A thorough inspection (compression test, leak-down test, oil analysis) is critical before purchasing to avoid buying a "ticking time bomb."

3. **Age and Wear of Other Components**

- Many 1995 2004 trucks in this class have worn suspension, drivetrain (transfer case, differentials), and electrical systems.

- Rust (especially in the Tacoma s frame and subframe) and worn-out bushings are common issues that add to maintenance costs.

4. **Limited Warranty and Resale Value**

- These trucks are out of production, so there s no factory warranty coverage. Any repairs are out-of-pocket.

- Resale value is low compared to newer trucks, and parts may become harder to source as Toyota phases out older models.

5. **Fuel and Emissions Compliance**

- If the truck is used frequently, modern fuel standards (especially in California) may require emissions-related modifications, adding to costs.

- Some states have stricter smog laws for older trucks, which could limit where the vehicle can be registered or driven.

---

### **Conclusion**

Buying a used Toyota 5VZ engine (1995 2004 Tacoma/4Runner/T100) with exhaust valve issues can be a **good deal if**:

- The engine is otherwise healthy (no major internal wear, timing chain in good condition).

- You re prepared for the labor and cost of a valve job (or have access to a skilled mechanic).

- You re okay with potential hidden issues (suspension, drivetrain, electrical) that may need attention.

- You plan to restore or modify the truck and are comfortable with DIY work or finding reliable help.

However, it s a **risky purchase if**:

- The valves failed due to neglect (poor oil changes, overheating), suggesting other parts may be failing.

- You lack mechanical experience or access to a trusted mechanic for diagnostics.

- You need a reliable, low-maintenance daily driver without major repair costs.

---

### **Recommendation**

1. **Get a Professional Inspection First**

- Before buying, have a trusted mechanic perform a **compression test, leak-down test, and oil analysis** to assess engine health.

- Check for **valve condition (are they stuck, cracked, or worn?), timing chain wear, and cylinder wall integrity**.

2. **Budget for the Valve Job**

- If the valves are the only major issue, allocate **$1,500 $3,000** for parts and labor. If other components are failing, the cost will rise significantly.

3. **Consider a Rebuilt or Swapped Engine**

- If the current engine is beyond repair, explore **used rebuilt 5VZ engines** (often available for $2,000 $4,000) or a **clean swap from a wrecked truck**.

- A **turbocharged or supercharged 5VZ** (if you want more power) may be worth the extra cost for performance gains.

4. **Prioritize Maintenance History**

- Look for a truck with **regular oil changes (every 5,000 7,500 miles), timing chain inspections, and no history of overheating**.

- Avoid trucks with **leaking head gaskets, blown oil pans, or rusted frames**, as these add to long-term costs.

5. **Weigh the Cost of Ownership**

- If you re buying for **daily use**, factor in **fuel, maintenance, and potential repairs** over the next 5 10 years.

- If you re buying for **restoration or project purposes**, the 5VZ is a great platform but be realistic about the time and money required.

**Final Verdict:**

The 5VZ is a **fantastic engine for the right buyer** someone who wants a durable, mod-friendly truck and is willing to invest in its upkeep. However, **exhaust valve issues are a red flag** that shouldn t be ignored. If you re confident in the engine s health beyond the valves and prepared for the work, it can be a **great long-term project**. If not, consider a **rebuilt engine or a different year/model** with fewer known issues. Always **inspect thoroughly and negotiate based on the work needed**.

Details:

Will have light pitting. 95-04 Toyota Tacoma 96-02 4Runner 95-98 T100 5VZ 3.4L V6, EXHAUST VALVE Set 6 qty for one cylinder head, Used but in good working order.

part #: 1371562021 prices

  • $25.00-$35.00

specifications cylinderheapar:

  • for models: T100, Tacoma, 4runner
  • for makes: Toyota
  • for years: 1995-2004
  • mpn: 13715-62021
  • part type: Valve Exhaust
  • oe/oem part number: 13715-62020 1371562020
  • material: Valves
  • finish: Polished
  • country of origin: Japan

shipping cylinderheapar:

  • type: Fixed
  • cost: $15.00
  • class: Economy, Expedited
  • transit: 3-7 Days
  • service: FedEx Ground Economy, USPS Priority Mail
  • carrier: FedEx, USPS

payments cylinderheapar:

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

returns cylinderheapar:

  • policy: No Returns

seller cylinderheapar:

  • # reviews: 5847
  • city: Sacramento, California
  • rating: 99.9%

offer cylinderheapar:

  • sold: 0
  • quantity: 1
  • started: June 9, 2026
  • options: Ship-to-home
  • availability: In Stock

general cylinderheapar:

  • condition: Used
  • Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
for models: t100, tacoma, 4runner, for makes: toyota, for years: 1995-2004, part type: valve exhaust, oe/oem part number: 13715-62020 1371562020, finish: polished, country of origin: japan,
category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, material: valves, sku: 12265529060402723,
Toyota 13715-62021 Is Similar To:
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2 offers $25.00–$35.00 USD
  • Used. Offer #1 priced at $35.00 + $15.00 shipping estimate = $50.00* total. 12 qty for both heads. 5VZ 3.4L V6.+$15.00 shipping
  • Used. Offer #2 priced at $25.00 + $15.00 shipping estimate = $40.00* total. Will have light pitting. Used but in good working order.+$15.00 shipping

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