TOYOTA 1340863020 Harmonic Balancer Crankshaft Pulley Bolt 2.0L 2SELC

( Manufacturer Part Number: 1340863020 ), ( Part Type: Balancer Crankshaft Bolt ), ( Id: 3052c420-749a-4ed2-b782-c87004bf2e6b ), ( Interchange: 309-50026 )

Review TOYOTA Harmonic Balancer Crankshaft Pulley Bolt Oem 2.0l fits CAMRY 1983–1986

The **Toyota 1340863020 Harmonic Balancer Crankshaft Pulley Bolt** is a precision-engineered fastener designed specifically for the **2.0L 4-cylinder 2SELC engine** found in **1983 through 1986 Toyota Camry models**. This high-quality bolt is a critical component of the engine s harmonic balancer assembly, ensuring proper alignment and tension between the crankshaft pulley and the engine block. Crafted from **heat-treated alloy steel**, this bolt is engineered to withstand the extreme stresses and vibrations inherent in high-performance driving conditions, preventing loosening or failure over time. Its **fine-threaded design** guarantees a secure, vibration-dampening fit, reducing the risk of pulley wobble or misalignment, which can lead to excessive noise, belt wear, or even catastrophic engine damage. The bolt features a **hex head** for easy installation and removal with standard tools, though its tight tolerances require careful handling to avoid cross-threading or stripping. This part is a direct OEM replacement, ensuring an exact fit with the original equipment specifications, including the correct **torque specification** to prevent overtightening or under-tensioning. Ideal for both maintenance and repair applications, this bolt is essential for restoring or maintaining the reliability of the **2SELC engine**, particularly in applications where the harmonic balancer or pulley has been replaced or serviced. Its durability and precision make it a must-have component for any Toyota enthusiast or professional mechanic working on these classic models.

Buying the **Toyota 1340863020 harmonic balancer/crankshaft pulley bolt for a 2.0L 4-cylinder 83-86 Camry (2SELC)** has specific advantages and drawbacks depending on your needs, budget, and priorities. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying This Part**

1. **Direct Fitment and Compatibility**

The part number **1340863020** is a genuine Toyota bolt designed specifically for the **2.0L 4-cylinder engine (2SELC)** found in the **1983 1986 Camry**. This ensures proper fitment without modifications, reducing the risk of misalignment or damage during installation. Genuine Toyota bolts are engineered to match the engine s torque specifications and thread pitch, preventing stripping or loosening over time.

2. **Reliability and Durability**

Toyota uses high-quality materials and precision manufacturing for critical components like crankshaft pulley bolts. These bolts are designed to withstand the high torque and vibration of the engine, reducing the likelihood of failure. Using an aftermarket or mismatched bolt could compromise safety, especially if the bolt is made from inferior steel or lacks proper heat treatment.

3. **Prevents Engine Damage**

The crankshaft pulley bolt secures the harmonic balancer, which dampens vibration and prevents excessive stress on the crankshaft. A loose or broken bolt can lead to catastrophic failure, such as a cracked crankshaft or damaged pulley. Replacing the bolt with a genuine part ensures the pulley remains properly secured, extending the life of the engine and associated components.

4. **Easy Installation**

The bolt is a straightforward replacement no special tools are required beyond a socket wrench and torque wrench. The process involves removing the old bolt, cleaning the threads, and installing the new one with the correct torque (typically around **60 70 ft-lbs** for these bolts). This simplicity makes it an ideal DIY project for those with basic mechanical skills.

5. **Cost-Effective Compared to Engine Replacement**

Replacing a single bolt is a minimal expense (typically **$10 $30** for the part, depending on the source) compared to the cost of repairing or replacing a damaged crankshaft or engine. This makes it a wise preventive measure, especially if the bolt shows signs of wear (e.g., stripped threads, cracks, or rust).

6. **Accessibility of Parts**

- **Toyota Dealerships** (genuine OEM parts, but often more expensive).

- **Online Retailers** (eBay, RockAuto, Amazon, or specialty Toyota parts stores like **ToyotaPartsNOW** or **1A Auto**).

- **Local Auto Parts Stores** (AutoZone, NAPA, or O Reilly Auto Parts may carry it, though stock can vary).

This makes it easy to source without long waits or shipping delays.

7. **Prevents Future Issues**

- **Harmonic balancer failure** (which can throw the engine out of balance and cause excessive vibration).

- **Crankshaft damage** (if the pulley detaches and strikes the crank).

- **Serpentine belt misalignment** (leading to premature wear on water pump, A/C compressor, or alternator).

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### **Cons of Buying This Part**

1. **Limited Availability of Genuine Toyota Parts**

While the bolt is widely available, **genuine Toyota parts can be expensive** compared to aftermarket alternatives. Prices may vary significantly depending on the seller, with dealerships often charging a premium for OEM quality. Buyers may need to shop around to find the best deal.

2. **Risk of Counterfeit or Low-Quality Parts**

Some online marketplaces (particularly eBay or Amazon) may sell **counterfeit or substandard bolts** that fail prematurely. These fakes often lack proper heat treatment, have incorrect thread pitches, or are made from softer steel. To mitigate this risk:

- Purchase from **reputable sellers** with positive reviews.

- Verify the part number and packaging (genuine Toyota parts often come in branded packaging).

- Check for **serial numbers or holograms** if available.

3. **Potential for Over-Torquing or Under-Torquing**

Even with the correct bolt, improper installation can cause issues. **Over-torquing** can strip the threads or deform the bolt, while **under-torquing** may lead to loosening over time. This requires the buyer to have access to a **torque wrench** and follow Toyota s specifications (usually **60 70 ft-lbs** for these bolts).

4. **Time and Effort Required for Installation**

- Removing the serpentine belt and possibly the alternator or other components for access.

- Cleaning the bolt hole and threads to prevent corrosion.

- Ensuring the new bolt is properly seated and torqued.

This may not be ideal for those without mechanical experience or time to dedicate to the project.

5. **No Warranty on Aftermarket Bolts**

If purchasing an **aftermarket bolt**, it may not come with a warranty or return policy. Genuine Toyota parts often include a limited warranty, providing peace of mind in case of defects. Aftermarket parts may fail sooner, especially if made from lower-quality materials.

6. **Possible Confusion with Similar Part Numbers**

Toyota s part numbering system can be confusing, and some sellers may list **incorrect or mismatched bolts** (e.g., a bolt for a different engine or year). Always **double-check the part number and application** before purchasing to ensure it matches your **2.0L 4-cylinder 2SELC engine**.

7. **Hidden Costs (Tools, Labor, or Additional Repairs)**

If the bolt was loose or damaged due to neglect, there may be **underlying issues** (e.g., a worn crankshaft keyway, rusted threads, or a failing harmonic balancer) that require attention. Replacing the bolt alone may not fully resolve the problem, leading to additional expenses.

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### **Conclusion**

Replacing the **Toyota 1340863020 harmonic balancer/crankshaft pulley bolt** on a **1983 1986 2.0L Camry (2SELC)** is a **practical and cost-effective preventive maintenance task**. The benefits such as **reliability, safety, and long-term engine protection** far outweigh the minor drawbacks, provided the part is sourced responsibly and installed correctly.

- Buying from **trusted sellers** (preferably with genuine Toyota parts).

- Using the **correct torque specification**.

- Inspecting the **bolt hole and threads** for damage before installation.

- Considering **additional maintenance** (e.g., cleaning the crankshaft keyway) if the bolt was loose for an extended period.

For most **DIYers or those comfortable with basic engine work**, this is a **straightforward and worthwhile repair**. If unsure about installation, consulting a **mechanic** for guidance or labor can ensure it s done correctly.

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### **Recommendation**

1. **Purchase the Part from a Reputable Source**

- **Best option:** Buy a **genuine Toyota bolt** from a **Toyota dealership** or a **trusted online retailer** (e.g., **ToyotaPartsNOW, 1A Auto, or RockAuto**).

- **Budget option:** If aftermarket is acceptable, choose a **high-quality bolt** from a seller with **positive reviews** and **clear part specifications**.

2. **Verify the Part Number and Application**

- Confirm that **1340863020** is the correct bolt for your **2.0L 4-cylinder 2SELC engine** (check against your engine s stamping or Toyota s service manual).

3. **Prepare for Installation**

- Gather the necessary tools: **socket wrench (13mm or 14mm, depending on bolt size), torque wrench, and a clean rag**.

- Remove the **serpentine belt and alternator** (if needed) for access.

- Clean the **bolt hole and threads** to prevent seizing.

4. **Install with Care**

- **Do not overtighten** follow Toyota s torque specification (** 60 70 ft-lbs**).

- If the old bolt was stripped or damaged, consider **cleaning the threads** or using **thread locker** (sparingly) to prevent loosening.

5. **Consider Additional Maintenance**

- If the bolt was loose for a long time, inspect the **harmonic balancer** and **crankshaft keyway** for wear.

- Replace the **serpentine belt** if it s old or cracked, as it may have been affected by the loose pulley.

6. **Document the Repair**

- Record the **installation date** and **torque applied** for future reference.

This is a **smart, low-cost repair** that can **prevent costly engine damage**. The **time and effort required are minimal**, and the **safety benefits are significant**. For most owners,

Details:

Model: TOYOTA CAMRY. Harmonic Balancer. Search for more parts TOYOTA CAMRY. This part will fit the following: TOYOTA CAMRY 83.

TOYOTA CAMRY 84-86 gasoline.

part #: 1340863020 prices

• $45.00-$1029.28

specifications cranshafengin:

• for models: Camry
• for makes: Toyota
• for years: 1983-1986
• mpn: 1340863020
• part type: Balancer Crankshaft Bolt
• id: 3052c420-749a-4ed2-b782-c87004bf2e6b
• interchange: 309-50026

offer cranshafengin:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: April 3, 2026
• sold: 0

seller cranshafengin:

• rating: 99.5%
• # reviews: 15514
• city: Brush, Colorado

general cranshafengin:

• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
• condition: Used

payments cranshafengin:

• other
• credit card: Diners-club
• wallet: Paypal

shipping cranshafengin:

• service: Standard
• cost: $0.00
• transit: 3-5 Days
• class: Standard
• type: Fixed

returns cranshafengin:

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

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