HART 313285003 Bump Head Upper Grass Trimmer HLST041VNM 40V HLST04PHVNM

( Brand: Hart ), ( Manufacturer Part Number: 313285003 ), ( Model: HLST041VNM ), ( Type: Bump Head Upper Section ), ( Assembly Required: No ), ( Compatible Product: Multi Task Strimmer, String Trimmer, Weed Trimmer ), ( Country Of Origin: United States )

Review HART Main Bump Head Upper 40v Inch Grass String Trimmer

The **Hart 313285003 Bump Head Upper for 40V 15" Grass Trimmer (Model HLST04PHVNM)** is a precision-engineered replacement part designed to restore optimal performance and durability to your Honda 40V cordless grass trimmer. This high-quality bump head upper is specifically crafted to fit the **HLST04PHVNM** model, ensuring a seamless and secure attachment to the trimmer s shaft, which is essential for maintaining balance and reducing vibration during operation. Constructed from robust, heat-treated steel, the bump head upper is built to withstand the rigors of heavy-duty lawn care, including prolonged use on tough, overgrown grass, weeds, and brush. Its smooth, polished surface minimizes friction with the trimmer s head, allowing for cleaner cuts and less wear on the internal components over time. The design incorporates a precise fit with the trimmer s existing bump head assembly, ensuring that the head aligns correctly for consistent performance and preventing premature wear on the trimmer s motor or transmission. Whether you're tackling large residential lawns, commercial landscapes, or challenging outdoor terrains, this replacement part is engineered to deliver reliable, long-lasting functionality, helping you maintain your trimmer s efficiency and extend its operational lifespan. Ideal for DIY enthusiasts and professional landscapers alike, the Hart bump head upper is a straightforward yet critical upgrade that ensures your grass trimmer continues to perform at its best.

### **Pros and Cons of buying a Hart 313285003 Bump Head Upper for a 40V 15" Grass Trimmer (HLST04PHVNM)**

1. **Compatibility with 40V DeWalt Trimmers** This part is specifically designed for DeWalt s 40V battery-powered grass trimmers, including the HLST04PHVNM model, ensuring a seamless fit without modification.

2. **Durable Construction** Hart is known for producing high-quality replacement parts, often made from hardened steel or reinforced materials to withstand heavy use and resist wear.

3. **Improved Performance** The bump head design helps distribute force more evenly, reducing strain on the motor and potentially extending the life of your trimmer. It may also improve cutting efficiency on tougher vegetation.

4. **Easy Installation** Replacement parts like this are typically straightforward to install, requiring minimal tools and time. Most users can swap it out in under 10 minutes.

5. **Cost-Effective Alternative to Full Replacement** If your trimmer s original head is damaged or worn out, replacing just the upper bump head is cheaper than buying a new trimmer.

6. **Widely Available** Hart parts are stocked by many hardware stores, online retailers, and DeWalt-authorized dealers, making it easy to purchase.

7. **Compatibility with Common Line Types** Works with standard trimmer line (spiral, twisted, or coiled), so you won t need additional accessories.

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1. **Potential Quality Variations** While Hart is a reputable brand, aftermarket parts can sometimes have slight inconsistencies in fit or finish compared to OEM (Original Equipment Manufacturer) parts.

2. **May Not Match Original Design Perfectly** Some users report minor differences in weight distribution or balance compared to the factory head, which could affect handling.

3. **Limited Warranty** Unlike new DeWalt trimmers, aftermarket parts often come with no warranty or a very short one (if any), leaving you responsible for any defects.

4. **Compatibility Confusion** If the model number or trimmer details are misread, there s a risk of purchasing an incompatible part. Always double-check the exact trimmer model (e.g., HLST04PHVNM) before buying.

5. **No Included Tools** Unlike some OEM replacements, this part may not come with installation tools (e.g., line wrench or guide), requiring you to have them on hand.

6. **Potential for Counterfeit Parts** Purchasing from unverified sellers (e.g., third-party Amazon sellers) could result in fake or low-quality knockoffs that fail quickly.

7. **No Upgraded Features** This is a direct replacement, not an upgrade. It won t add new functionalities like variable speed control or ergonomic improvements.

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The **Hart 313285003 Bump Head Upper** is a solid, budget-friendly replacement for the HLST04PHVNM 40V DeWalt trimmer, offering durability and improved performance at a fraction of the cost of a new trimmer. It s ideal for users who need a quick, reliable fix for a worn-out or damaged head without investing in a full replacement. However, buyers should ensure they have the correct part number and purchase from a trusted retailer to avoid counterfeit or mismatched components.

For **best results**, verify compatibility with your exact trimmer model (check the serial number or consult DeWalt s part catalog) and consider pairing this with genuine DeWalt trimmer line for optimal performance. If your trimmer is otherwise in good condition, this part is a practical choice.

- Your trimmer s original bump head is damaged or worn.

- You want a cost-effective solution to restore cutting performance.

- You re comfortable installing it yourself.

- You suspect your trimmer has other internal issues (e.g., motor wear) that would require professional servicing.

- You re unsure about the exact model compatibility (risk of purchasing a wrong part).

- You prefer OEM parts with warranty coverage for peace of mind.

**Final Verdict:** A **good value for most users**, provided the correct part is selected and installed properly. For long-term reliability, pair it with high-quality trimmer line and maintain your tool regularly.

Details:

Original part, not aftermarket. Fits Hart 15 Cordless trimmer HLST04PHVNM HLST041VNM. The part is light use. You are buying on a lightly used Genuine Bump Head Holder for HART 40V 15 Trimmer HLST04PHVNM HLST041VNM.

part #: 313285003 prices

• $23.94-$37.88

specifications strintri:

• brand: Hart
• mpn: 313285003
• model: Hlst041vnm
• type: Bump Head Upper Section
• assembly required: No
• compatible product: Multi Task Strimmer, String Trimmer, Weed Trimmer
• country of origin: United States

seller strintri:

• city: Sanford, Florida
• # reviews: 34304
• rating: 99.7%

returns strintri:

• policy: Returns Accepted
• method: Money back
• time: 60 Days
• paid by: Seller

general strintri:

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

offer strintri:

• sold: 0
• best offers: True
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: June 5, 2026

shipping strintri:

• type: Fixed
• transit: 4-8 Days
• cost: $0.00
• carrier: UPS
• service: Standard, Expedited, UPS 2nd Day Air
• class: Standard, Expedited

payments strintri:

• credit card: Visa
• other
• wallet: Paypal

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