Description
Product Overview
The Wajelara Body and Engine Ground Strap Kit 40140 is engineered to provide a comprehensive grounding solution for both the vehicle body and engine compartments. The kit contains a 14‑inch 1/0 AWG strap and three 11‑inch 10 AWG straps, each pre‑terminated with self‑tapping screws, allowing installers to connect the straps without additional crimping or welding. All components are packaged in a compact box measuring 5.98 × 4.09 × 2.36 inches, making storage and handling straightforward for both professional shops and home garages.
Manufactured by Seven‑Hertz Parts, the kit utilizes high‑grade copper alloy with a protective coating that resists oxidation and corrosion even in harsh environments. This material choice ensures long‑term electrical conductivity, which is essential for maintaining a stable ground path and preventing stray voltage that can interfere with sensitive electronic systems. The robust construction also tolerates the vibration and thermal cycling typical of automotive applications, extending the service life well beyond standard aftermarket alternatives.
Installation is simplified by the inclusion of self‑tapping screws that securely anchor the straps to existing grounding points without the need for drilling new holes or modifying the vehicle structure. The pre‑terminated ends eliminate the guesswork of wire stripping and crimping, reducing installation time to a matter of minutes. No additional tools or instructions are required beyond a basic screwdriver, making the kit ideal for both seasoned technicians and DIY enthusiasts seeking a hassle‑free upgrade.
Beyond ease of installation, the kit delivers measurable performance benefits. A solid ground connection reduces electrical resistance, which in turn minimizes electromagnetic interference (EMI) that can affect engine control modules, sensors, and infotainment systems. By stabilizing the vehicle’s electrical network, the kit helps improve fuel efficiency, throttle response, and overall reliability, especially in vehicles equipped with advanced driver‑assist features that rely on clean power signals.
The kit is designed as a universal fit, compatible with a broad spectrum of makes and models ranging from compact cars to light trucks. It replaces the OEM part number 40140 and is listed as #19 in the Automotive Replacement Ignition Coil Ground Straps category, reflecting its popularity among mechanics seeking a dependable replacement. Whether you are restoring a classic vehicle or maintaining a modern fleet, this ground strap kit provides a versatile, high‑quality solution that meets the demanding standards of today’s automotive industry.
![[Product front view showing all components]](https://www.ecomwave.store/wp-content/uploads/2026/06/cf38477d80f64ccc87d6f3a9443f421a.jpg)
Usage
The Body and Engine Ground Strap Kit is ideal for a variety of usage scenarios. Automotive repair shops frequently encounter grounding issues during engine swaps, brake system repairs, or when addressing intermittent electrical faults. In these settings, the kit’s quick‑connect design allows technicians to replace worn or corroded straps efficiently, minimizing vehicle downtime and labor costs.
DIY owners also benefit from the kit’s straightforward installation process. Whether you are performing a routine maintenance service, upgrading the grounding system to support aftermarket electronics, or troubleshooting a persistent check‑engine light, the kit provides a reliable pathway for grounding without the need for specialized tools. Its universal fit means it can be used on a wide range of vehicle platforms, from domestic sedans to imported SUVs, making it a versatile addition to any home garage inventory.
In heavy‑duty applications such as light trucks and commercial vans, the kit’s durable construction withstands higher current loads and harsher operating conditions. The robust copper straps and corrosion‑resistant coating ensure that the grounding system remains effective even after prolonged exposure to road salt, moisture, and temperature extremes. This reliability is crucial for fleet operators who require consistent performance across multiple vehicles and cannot afford frequent electrical failures.
Why Choose Us
Wajelara is committed to delivering products that combine engineering precision with practical usability. Each ground strap kit undergoes rigorous quality control testing, including conductivity verification, tensile strength assessment, and corrosion resistance evaluation, to ensure that every component meets or exceeds OEM specifications. This dedication to quality translates into a product that performs reliably under the most demanding conditions.
Our after‑sales support team is available to assist customers with installation guidance, compatibility questions, and warranty claims. We understand that automotive projects can present unexpected challenges, and our knowledgeable staff is prepared to provide timely solutions, whether you need clarification on mounting locations or advice on optimizing your vehicle’s grounding architecture.
The kit also carries a limited warranty that covers material defects and workmanship issues, reflecting our confidence in the durability of the product. By choosing Wajelara, you gain not only a high‑performance grounding solution but also the peace of mind that comes from a brand that stands behind its products with comprehensive support and a commitment to customer satisfaction.
Key Features
- Universal fit for a wide range of vehicles eliminates the need for custom modifications.
- Pre‑terminated straps with self‑tapping screws enable fast, tool‑light installation.
- High‑grade copper alloy with corrosion‑resistant coating ensures long‑term electrical conductivity.
- Durable construction tolerates vibration, heat, and harsh environmental conditions.
- Dedicated customer support and limited warranty provide confidence and assistance.
FAQ
What vehicles are compatible with this ground strap kit?
The kit is designed as a universal fit and works with most passenger cars, light trucks, and SUVs that use standard grounding points. It replaces the OEM part number 40140, so any vehicle that originally used that part can be upgraded with this kit.
How do I install the ground straps?
Installation is straightforward: locate the existing grounding bolts, remove the old straps, and attach the new pre‑terminated straps using the included self‑tapping screws. No drilling or additional wiring is required, and a standard screwdriver is sufficient for the entire process.
What warranty does the kit include?
Wajelara offers a limited warranty covering material defects and workmanship for a period of one year from the date of purchase. If any component fails due to manufacturing issues, we will provide a replacement or refund at our discretion.
Can I replace multiple ground straps with a single kit?
Yes. The kit includes one 14‑inch 1/0 AWG strap and three 11‑inch 10 AWG straps, allowing you to replace several grounding points in one purchase. This comprehensive approach ensures a consistent grounding system across the engine and body circuits.







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