ranroswang@hksparkling.com 
+86 138 2341 8469
42C-43-12941 Sensor for Komatsu WA300L WA320 HM300-1 HM350-1 | Heavy Equipment Replacement Part
42C-43-12941 Sensor is an OEM-compatible pressure sensor for Komatsu heavy equipment, a core component for real-time hydraulic system pressure monitoring. It delivers accurate and fast pressure signal feedback, adapts to harsh construction working conditions, ensures the hydraulic system operates within a safe pressure range, and effectively reduces fault risks to maintain stable equipment operation.
Compatible Models:
· Wheel Loaders: WA300L, WA320, WA380, WA500, WA600, WA800-3E0, WA900.
· Articulated Dump Trucks: HM300-1, HM350-1, HM400-1.
· Motor Graders: GD555-3A, GD555-3C, GD655-3A, GD675-3C, etc.
Dear Valued Partners,
We sincerely cherish your trust in and choice of SPARKLING MACHINERY—this precious recognition is the driving force for us to keep polishing every detail of heavy machinery electronic components. Today we bring you the 42C-43-12941 Sensor, an OEM-compatible pressure sensor exclusively tailored for Komatsu WA300L, WA320, HM300-1 and HM350-1 heavy equipment. Engineered for high-precision pressure monitoring and all-condition stability, it’s a key component to safeguard the safe and efficient operation of the hydraulic system.
The SPARKLING MACHINERY NEW 31Y1-14050 Seal Kit Photo:
Why choose the SPARKLING 42C-43-12941 Sensor?
- Direct-fit compatibility: Precisely matches the original installation interface and wiring specifications of Komatsu designated heavy equipment, realizing plug-and-play without extra debugging or system adaptation.
- Precision control: High-sensitivity sensing design enables precise capture and feedback of hydraulic pressure values, with accurate pressure range control to avoid system failures caused by abnormal pressure.
- Rigorous quality: Undergoes strict vibration resistance, high-low temperature and pressure resistance tests before delivery, ensuring stable and accurate signal output under harsh construction site working conditions.
- Professional support: Provides professional installation and wiring guidance, as well as timely after-sales technical consultation and fault troubleshooting for the entire product service cycle.
- Cost-effective reliability: Delivers OEM-level detection performance and structural durability at a competitive price, reducing replacement and maintenance frequency, and effectively cutting the overall operational cost of heavy equipment.
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