COMPONENTSPLUS TR120872A5 Forged Camshaft Deere 7810/7820

( Brand: Componentsplus ), ( Manufacturer Part Number: TR120872A5 ), ( Part Type: Camshaft ), ( Warranty: 1 Year ), ( Source: Aftermarket )

Review COMPONENTSPLUS Forged Camshaft John Deere 7810/7820 R120872 fits 1998–2005

The **ComponentsPlus TR120872A5 Forged Camshaft** is a high-performance, precision-engineered component designed exclusively for Deere 7810 and 7820 tractors manufactured between 1998 and 2005. Engineered from premium forged steel, this camshaft is built to deliver superior durability, longevity, and consistent performance under the demanding conditions of heavy-duty agricultural work. Unlike cast alternatives, forged camshafts undergo a rigorous manufacturing process that enhances their structural integrity, reducing the risk of fatigue, warping, or premature wear critical factors for maintaining optimal engine efficiency and power output in large-scale farming applications. The TR120872A5 features meticulously machined lobes and a precisely ground shaft, ensuring smooth valve operation and synchronized timing for both intake and exhaust cycles. This attention to detail minimizes internal friction, reduces engine noise, and extends the lifespan of associated components such as lifters, valves, and valve springs. Compatible with the R120872 engine architecture, this camshaft is a direct replacement part, designed to fit seamlessly into the stock engine bay without requiring modifications to the intake, exhaust, or fuel systems. Whether used in towing heavy loads, operating attachments like mowers or tillers, or powering continuous operation in long workdays, this forged camshaft provides the reliability and performance farmers demand. Backed by ComponentsPlus s reputation for quality and compatibility, it offers a cost-effective solution for restoring or upgrading older Deere engines, ensuring peak performance while reducing the need for frequent maintenance or costly repairs.

### **Pros and Cons of buying a ComponentsPlus TR120872A5 Forged Camshaft for Deere 7810/7820 (1998 2005, R120872)**

1. **Forged Construction** Forged camshafts are stronger and more durable than cast counterparts, reducing the risk of failure under heavy loads or extended use. This makes them ideal for high-performance or commercial applications where reliability is critical.

2. **OEM Replacement Quality** ComponentsPlus is a reputable aftermarket supplier that often matches or exceeds OEM specifications. The TR120872A5 is designed to fit seamlessly into the 7810/7820 engine, ensuring proper function without modifications.

3. **Compatibility with 1998 2005 Models** This part is specifically engineered for the Deere 7810 and 7820 tractors from those years, reducing the risk of fitment issues that can arise with generic or mismatched components.

4. **Potential Performance Benefits** Forged camshafts can improve engine efficiency, power delivery, and longevity, especially if the original camshaft was worn or damaged. Some users report smoother operation and better low-end torque.

5. **Warranty and Support** ComponentsPlus typically offers warranties on their parts, providing some assurance against defects. Their customer service and return policies can be a plus for buyers concerned about quality assurance.

6. **Cost-Effective Alternative to OEM** While not always cheaper than a brand-new OEM camshaft, forged aftermarket parts often provide a more affordable solution without sacrificing durability.

7. **Easier Installation** Since this is a direct replacement, installation is straightforward for mechanics familiar with Deere engines, reducing downtime compared to custom or modified parts.

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1. **Higher Upfront Cost** Forged camshafts are generally more expensive than standard aftermarket or cast alternatives. Buyers should weigh this against the long-term benefits of durability.

2. **Limited Availability of Installation Guides** While the part is designed for the 7810/7820, some buyers may need to consult service manuals or professional mechanics to ensure proper installation, especially if they lack experience with Deere engines.

3. **Potential for Counterfeit Parts** As with any aftermarket component, there is a risk of purchasing a counterfeit or low-quality replica. Buying from a trusted supplier (like ComponentsPlus) mitigates this, but due diligence is still advised.

4. **Not a "Performance Upgrade"** This is a replacement part, not a high-performance camshaft. It will not significantly increase horsepower or RPM limits; its primary benefit is reliability and longevity.

5. **Requires Professional Installation for Optimal Results** While the part is designed for easy fitment, improper installation (e.g., incorrect valve lash, timing issues) can lead to engine problems. DIYers without mechanical experience may need to hire a professional.

6. **Depends on Other Engine Components** If the rest of the engine (e.g., valves, lifters, or timing belt) is worn, replacing just the camshaft may not fully restore performance. A full engine inspection is recommended.

7. **Lead Times** Aftermarket parts can sometimes have longer lead times than OEM components, especially if the supplier is backordered or experiencing demand fluctuations.

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The **ComponentsPlus TR120872A5 forged camshaft** is a solid choice for owners of Deere 7810/7820 tractors (1998 2005) looking to replace a worn or failing camshaft. Its forged construction ensures durability, and its OEM-like quality makes it a reliable replacement. However, the higher cost and need for proper installation (preferably by a professional) are key considerations.

If the primary goal is **reliability and longevity** without performance modifications, this part is well-suited. For those seeking **cost savings**, a cast aftermarket alternative might be considered, but it would lack the same level of strength. If the engine has other worn components, addressing those simultaneously would yield better long-term results.

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- You need a **direct, high-quality replacement** for a failing camshaft.

- You prioritize **durability and longevity** over cost savings.

- You re confident in (or have access to) proper installation (preferably by a mechanic).

- The rest of the engine is in decent condition.

- You re on a tight budget and can find a **high-quality cast camshaft** that meets your needs.

- You re planning **major engine work** and want to evaluate other components (e.g., valves, lifters) before committing.

- You lack experience with engine repairs and aren t comfortable with installation.

**Final Verdict:** For most Deere 7810/7820 owners needing a **reliable, long-lasting camshaft replacement**, the ComponentsPlus TR120872A5 forged camshaft is a **strong recommendation**, provided the purchase is made from a trusted supplier and installation is handled correctly. Always verify the part s authenticity and compatibility before ordering.

Details:

Product Notice. JOHN DEERE TRACTORS 6076 COMBINES 6081 Compatible with John Deere 4055 1990-2003. FITS / Replacement Part Numbers: OEM PART NUMBERS: John Deere: R120872 Primary OEM, SE501638 Superseded by R120872, SPECIFICATIONS: Material: Forged Steel, Type: Flat Tappet, Drive Gear Driven, Engine: 6076 6081, Cylinders: 6, condition: New, APPLICATION: Compatible with Deere 4055 1990-2003. Warranty does not cover failure due to accident, abuse, neglect or as the result of normal wear and tear.

ComponentsPlus products, when properly installed, are warranted against defects in materials and workmanship to the original purchaser for a period of one 1 year from date purchase.

part #: tr120872a5 price

• $850.40

specifications ignitionstartin:

• for makes: John-deere
• for years: 1998-2005
• brand: Componentsplus
• mpn: Tr120872a5
• part type: Camshaft
• warranty: 1 Year
• source: Aftermarket

offer ignitionstartin:

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

payments ignitionstartin:

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

general ignitionstartin:

• condition: New
• Boat Parts > Inboard Engines Components > Ignition Starting Systems

shipping ignitionstartin:

• class: Economy, Standard, Expedited, One-day
• service: Economy, Standard, Expedited, Overnight
• type: Fixed
• cost: $0.00
• transit: 3-9 Days

returns ignitionstartin:

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

seller ignitionstartin:

• city: Morrisville, North Carolina
• # reviews: 52643
• rating: 98.9%

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