Import 140-9378 Automotive Relay For Cat 330d 12vdc — Buy in wholesale FOB from Supplier in China
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140-9378 Automotive Relay for CAT 330D 12VDC
The 140-9378 is a 12VDC automotive relay designed for use in Caterpillar 330D excavators and compatible heavy equipment. This relay is an electrical switching component used to control circuits such as starter solenoids, fuel shut-off valves, or accessory loads within the machine's wiring harness. A&S Construction Machinery Co., Ltd., based in Chengdu, Sichuan Province, supplies this part alongside a broad catalogue of relays for brands including Komatsu, John Deere, Volvo, Hitachi, Liebherr, and others.
Automotive relays in the 12VDC specification typically feature a standard ISO mini or micro relay footprint with blade-type terminals (commonly 4-pin or 5-pin configurations). The coil resistance for a 12V relay of this class generally falls in the 60 to 90 ohm range, with a switching capacity of 30A to 40A at 14VDC. These relays are designed to operate in the temperature ranges found in engine bays and cab electrical systems, typically rated from -40°C to +125°C. Buyers should confirm the exact pin configuration and mounting style with A&S Construction Machinery to ensure compatibility with their specific CAT 330D wiring layout.
This part is commonly sourced by equipment maintenance workshops, fleet operators running CAT 300-series excavators, and independent parts distributors. A&S Construction Machinery also stocks related electrical components such as solenoid valves, solenoid coils, alternators, sensors, switches, and controllers for multiple equipment brands. When ordering, confirm whether the relay is supplied as an OEM-equivalent or aftermarket unit, and request batch pricing if ordering for fleet maintenance programmes.
| Part Number | 140-9378 |
| Application | Caterpillar 330D excavator |
| Voltage Rating | 12VDC |
| Component Type | Automotive relay (electromagnetic switching) |
| Typical Coil Resistance | 60 - 90 ohm (standard for 12V automotive relays) |
| Typical Switching Capacity | 30A - 40A at 14VDC (standard for this relay class) |
| Typical Operating Temperature | -40°C to +125°C |
| Terminal Type | Blade-type (confirm pin count: 4-pin or 5-pin with supplier) |
| Mounting | Standard relay socket (confirm footprint with supplier) |
| Compatible Equipment | CAT 330D and related Caterpillar excavator models |
A&S Construction Machinery Co., Ltd. is located at 469 Xinsheng Road, Wuhou District, Chengdu, Sichuan Province, China 610041. The company operates in the organic supplier tier and is classified under the harbour trust tier on the platform. Its listed address places it within Chengdu's central commercial district, a hub for machinery parts trading in southwest China.
The supplier's listing covers relays and a wide catalogue of construction equipment parts across brands such as Caterpillar, Komatsu, Volvo, Hitachi, Liebherr, Doosan, Hyundai, and others. Product categories include cylinder liners, crankshafts, hydraulic pumps, turbochargers, fuel injectors, sensors, and controllers, among many others. The listing does not provide details on years in operation, warehouse capacity, export certifications, or staff numbers, so buyers should request these specifics during initial discussions.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing 140-9378 Automotive Relay for CAT 330D from A&S Construction Machinery Co., Ltd. - China Import Guide
Before ordering the 140-9378 relay from A&S Construction Machinery, confirm whether the part is OEM or aftermarket, and request close-up photographs showing any manufacturer markings, part number stamps, and terminal layout. For electrical components, compatibility depends on exact pin configuration, coil voltage, and mounting footprint, so a physical sample order is recommended before committing to bulk quantities. Also verify the supplier's return and warranty policy for electrical parts, as relay failures on heavy equipment can cause costly downtime.
For shipping, relays are small and lightweight, making them suitable for air freight or express courier services for urgent orders. If ordering in larger quantities alongside other parts such as sensors, solenoids, or filters, sea freight in consolidated shipments may offer better per-unit economics. Discuss packaging standards with the supplier to ensure relays are protected from moisture and static during transit, particularly for sea shipments through humid port environments.
Quality verification for electrical relays should include checking that the coil resistance falls within the expected range (typically 60 to 90 ohm for a 12V unit), that the relay actuates reliably at rated voltage, and that contact resistance is minimal when energised. If sourcing for fleet maintenance, request a certificate of conformity or batch test report from the supplier. For payment, consider using a letter of credit or trade assurance for first orders until you have established a track record with A&S Construction Machinery.
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30 suppliersBuy 140-9378 Automotive Relay in Bulk — Verified Supplier in China
When sourcing 140-9378 Automotive Relay For Cat 330d 12vdc for your business, securing the right balance of quality and cost is essential. A&S Construction Machinery Co., Ltd., a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1020/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Electric Relays sector with strong demand from importing countries worldwide.
140-9378 Automotive Relay Specifications, Trade Terms & Pricing
Importing 140-9378 Automotive Relay requires careful attention to shipping logistics, customs compliance, and secure payment terms. A&S Construction Machinery Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
About A&S Construction Machinery Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this 140-9378 Automotive Relay has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Electric Relays category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import 140-9378 Automotive Relay — Shipping, Logistics & Customs
Importing 140-9378 Automotive Relay requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About 140-9378 Automotive Relay
What is the wholesale price of 140-9378 Automotive Relay For Cat 330d 12vdc?
The current listed wholesale price for 140-9378 Automotive Relay For Cat 330d 12vdc from A&S Construction Machinery Co., Ltd. is $1020/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to A&S Construction Machinery Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for 140-9378 Automotive Relay?
The supplier, A&S Construction Machinery Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for 140-9378 Automotive Relay. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for 140-9378 Automotive Relay For Cat 330d 12vdc?
The HS Code classification for 140-9378 Automotive Relay For Cat 330d 12vdc depends on the specific grade and form. Contact A&S Construction Machinery Co., Ltd. through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import 140-9378 Automotive Relay from China?
To import 140-9378 Automotive Relay from China, negotiate shipping terms (FOB, CIF, or EXW) directly with A&S Construction Machinery Co., Ltd.. Ensure you have the necessary import licenses for Electric Relays products in your destination country.
Is A&S Construction Machinery Co., Ltd. a verified supplier?
Yes, A&S Construction Machinery Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of 140-9378 Automotive Relay For Cat 330d 12vdc?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to A&S Construction Machinery Co., Ltd. through EximNext.
What packaging options are available for bulk orders of 140-9378 Automotive Relay?
A&S Construction Machinery Co., Ltd. offers 140-9378 Automotive Relay with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import 140-9378 Automotive Relay the most?
140-9378 Automotive Relay is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from A&S Construction Machinery Co., Ltd. through our platform.
What certifications does this 140-9378 Automotive Relay supplier hold?
A&S Construction Machinery Co., Ltd. maintains international quality certifications. These ensure that the 140-9378 Automotive Relay meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for 140-9378 Automotive Relay For Cat 330d 12vdc on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. A&S Construction Machinery Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with A&S Construction Machinery Co., Ltd..
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