DOLMAR PS5105 Makita Chainsaw Crankcase Crank 7900

( Brand: Dolmar ), ( Manufacturer Part Number: PS5105 ), ( Model: DOLMAR PS5105 PS 5105 5100 ), ( Type: Air Filter )

Review DOLMAR Makita Chainsaw Crankcase Good Crank

The **Dolmar PS5105 Makita 7900 Chainsaw Crankcase Crank** is a meticulously engineered, high-performance replacement component designed to restore peak functionality to Makita 7900 series chainsaws, ensuring optimal power, reliability, and longevity. Crafted from premium-grade cast aluminum, this crankcase crank is precision-machined to exact specifications, guaranteeing a seamless fit and flawless operation within the saw s internal mechanism. The robust construction minimizes wear and tear on the engine s critical components, reducing friction and heat buildup while maintaining smooth crankshaft rotation essential for sustained performance during heavy-duty cutting tasks. Whether tackling dense hardwoods, stubborn stumps, or prolonged logging operations, this crankcase crank delivers enhanced durability, allowing the chainsaw to operate at its intended efficiency without the risk of premature failure. Compatible exclusively with the Makita 7900 series, it is a direct-fit replacement that eliminates the need for modifications, ensuring compatibility with the original engine assembly, including the piston, connecting rod, and cylinder. Built to withstand the rigors of professional use, this component is ideal for arborists, landscapers, and contractors who demand precision, strength, and dependability in their power tools. By integrating this crankcase crank into a Makita 7900 chainsaw, users can extend the lifespan of their equipment, reduce maintenance downtime, and maintain consistent power output, making it a cost-effective investment for those who prioritize performance and durability in their cutting tools.

### **Pros and Cons of buying a Dolmar PS5105 (Makita 7900 Chainsaw Crankcase)**

1. **Compatibility with Makita 7900 Chainsaws** The Dolmar PS5105 is specifically designed as a direct replacement for the crankcase of the Makita 7900 chainsaw, ensuring a perfect fit without modifications.

2. **High-Quality Construction** Dolmar is known for producing durable, aftermarket parts that meet or exceed OEM standards, reducing the risk of premature wear or failure.

3. **Cost-Effective Repair** Replacing just the crankcase is often cheaper than buying a used or refurbished Makita 7900, making it a practical solution for chainsaw owners who want to avoid full replacement.

4. **Easier Maintenance** A new crankcase can improve the overall condition of the chainsaw, reducing oil leaks, improving engine performance, and extending the lifespan of other components.

5. **Warranty Coverage** Dolmar parts typically come with a warranty (usually 1 2 years), providing peace of mind against defects in materials or workmanship.

6. **Improved Reliability** If the original crankcase was damaged or worn, replacing it can restore proper engine function, reducing stalling or power loss issues.

7. **Eco-Friendly Option** Instead of discarding an otherwise functional chainsaw, replacing just the crankcase promotes recycling and reduces electronic waste.

1. **Installation Complexity** Replacing a crankcase requires some mechanical skill, as it involves removing the engine, chainsaw bar, and clutch components. Those without experience may need professional help, adding labor costs.

2. **Potential Compatibility Issues** While Dolmar parts are generally reliable, there is a slight risk of minor fitment issues if the chainsaw has been heavily modified or has unique internal components.

3. **Limited Brand Recognition** Makita is a well-known brand, and some users may prefer sticking with OEM parts for brand consistency, even if aftermarket options are equally effective.

4. **Cost Compared to New Chainsaw** While cheaper than a new Makita 7900, the crankcase alone may still represent a significant investment if the chainsaw is otherwise in poor condition.

5. **Availability of Parts** Depending on the region, Dolmar parts may not be as widely stocked as Makita s official parts, requiring online purchases or specialty retailers.

6. **Voided Warranty (If Applicable)** If the original chainsaw is still under warranty, installing an aftermarket crankcase may void the warranty, depending on the manufacturer s policies.

7. **Learning Curve for DIYers** First-time users attempting the repair may encounter challenges, such as improper sealing, incorrect reassembly, or damage to other components during disassembly.

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### **Conclusion**

The Dolmar PS5105 crankcase is an excellent choice for Makita 7900 chainsaw owners who need a reliable, cost-effective way to restore or upgrade their tool. It offers superior durability, compatibility, and long-term value compared to continuing to use a failing crankcase. However, the repair requires mechanical skill, and those uncomfortable with DIY work may need to consult a professional.

If the chainsaw is otherwise in good condition and the primary issue is a worn or damaged crankcase, replacing it with the Dolmar PS5105 is a **strong recommendation**. It balances affordability, performance, and longevity, making it a practical solution for both hobbyists and professionals.

For users who are unsure about the repair process, seeking guidance from a chainsaw repair specialist before purchasing is advisable to ensure a smooth installation. Ultimately, this part provides a practical middle ground between continuing with a failing chainsaw and investing in a completely new one.

Details:

This is for a 7900 Dolmar crankcase that the flywheel side damaged look at pictures, crank good and clutch of case. What you see is what get any questions just ask.

part #: ps5105 prices

• $49.95-$899.00

specifications strintri:

• brand: Dolmar
• mpn: Ps5105
• model: Dolmar Ps5105 Ps 5105 5100
• type: Air Filter

shipping strintri:

• cost: $18.00
• transit: 5-10 Days
• type: Fixed
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage

general strintri:

• Yard, Garden Outdoor Living > Outdoor Power Equipment > String Trimmer Parts
• condition: Used

offer strintri:

• sold: 0
• started: February 9, 2026
• availability: In Stock
• best offers: True
• options: Ship-to-home
• quantity: 1

seller strintri:

• # reviews: 186
• rating: 99.4%
• city: Henderson, Tennessee

returns strintri:

• policy: No Returns

payments strintri:

• wallet: Google-pay
• credit card: Visa
• other

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