ranroswang@hksparkling.com 
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24V DC HIGH-QUALITY 20Y-979-6771 RELAY for Komatsu Construction Equipment PC220 PC240 PC290 PC300 PC350 Wheel Excavator
The 24V DC HIGH-QUALITY 20Y-979-6771 RELAY is a premium electrical control component meticulously engineered for Komatsu Construction Equipment, specifically tailored to meet the reliable power switching demands of PC220, PC240, PC290, PC300, and PC350 Wheel Excavators. As a critical part of the machinery’s electrical system, this 24V DC relay acts as a high-performance switch, efficiently controlling the flow of electrical current to key auxiliary components (such as lights, wipers, pumps, or solenoids) with precise signal response.
Designed to seamlessly integrate with Komatsu’s wheel excavator electrical architecture, it delivers stable and consistent performance that enhances electrical system reliability, prevents component damage from current fluctuations, and ensures uninterrupted operation in harsh construction environments.
Key Features
· 24V DC rated voltage for perfect compatibility with Komatsu wheel excavator electrical systems
· Custom-engineered to match the specifications of Komatsu PC220, PC240, PC290, PC300, PC350 Wheel Excavators
· Fast signal response and high switching capacity for reliable control of electrical loads
· Robust housing design with moisture, dust, and vibration resistance for durability in extreme conditions
· Strict adherence to Komatsu OEM standards for seamless integration and consistent electrical performance
Compatible Models
· Komatsu Construction Equipment Wheel Excavators: PC220, PC240, PC290, PC300, PC350
Dear Valued Partners,
Thank you for placing your trust in SPARKLING MACHINERY—your confidence fuels our unwavering commitment to delivering top-tier, application-specific construction equipment components. Today, we are proud to introduce the 24V DC HIGH-QUALITY 20Y-979-6771 RELAY, a product crafted with meticulous precision and reliability at its core to complement Komatsu’s renowned PC-series Wheel Excavators.
Whether you’re replacing a faulty relay or upgrading to reinforce electrical system stability, this component is designed to exceed your expectations with its robust switching performance, seamless fit, and long-lasting durability—empowering your machinery to maintain consistent electrical functionality in every work scenario.
The SPARKLING MACHINERY NEW 20Y-979-6771 RELAY Photo:
Why Choose the SPARKLING 24V DC HIGH-QUALITY 20Y-979-6771 RELAY?
- Direct-fit compatibility: Precisely manufactured to match the exact dimensions, terminal configurations, and mounting points of Komatsu PC220, PC240, PC290, PC300, PC350 Wheel Excavators. No wiring modifications or adapter parts are needed, enabling hassle-free installation that aligns with original equipment standards.
- Precision control: Optimized 24V DC circuit design and advanced contact technology ensure fast signal response (≤5ms typical) and accurate current switching, preventing electrical lag and ensuring timely activation of critical excavator components. This precision safeguards the electrical system from overloads and enhances overall machinery responsiveness.
- Rigorous quality: Undergoes comprehensive quality testing, including 24V electrical performance validation, contact durability cycling (100,000+ switching cycles), environmental resistance (moisture, dust, temperature) checks, and vibration endurance trials. Every unit meets Komatsu OEM standards to ensure reliable operation in extreme construction conditions.
- Professional support: Our team of Komatsu-specialized technical experts provides end-to-end support—from pre-purchase compatibility verification to post-installation guidance on wiring connections and electrical system maintenance—ensuring a seamless integration experience for every customer.
- Cost-effective reliability: Offers exceptional performance and longevity at a competitive price point. By minimizing downtime caused by electrical system failures, reducing replacement frequency, and protecting sensitive electrical components from damage, this 24V DC relay maximizes the return on your investment in Komatsu Construction Equipment Wheel Excavators.
About SPARKLING MACHINERY:
- Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.
Get In Touch:
- Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation
🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
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Whatsapp: +8613609010879