Automotive Belts, Tensioners & Water Pumps

Q: What warranty do you offer?

Our warranty coverage varies by product: Individual belts: 1 year or 60,000 km, whichever comes first. Belt and tensioner kits: 2 years. Belt tensioners, water pumps, and idler pulleys: 1 year. Please register your products at support.sumaterus.com within 30 days of receiving them. For products registered within this period, the warranty starts on the installation date recorded during registration. Otherwise, the warranty starts on the date the products were received. If a product is confirmed to have a quality defect within the applicable warranty period, we will provide a free replacement.

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Automotive Belts, Tensioners & Water Pumps

SUMATE supplies belts, tensioners, idler pulleys, water pumps, and repair kits for passenger cars, commercial vehicles, and heavy-duty applications.

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SUMATE automotive belt tensioners and idler pulleys

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SUMATE automotive belt and tensioner kits

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Automotive Parts Manufacturing & Quality Control

SUMATE supplies automotive belts, belt tensioners, idler pulleys, water pumps, and repair kits for passenger cars, commercial vehicles, and heavy-duty applications.

With two factories, two research and development centers, more than 500 manufacturing employees, and an international trade team of approximately 35 members, we support customers from product matching and production coordination through inspection and delivery.

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SUMATE affiliated automotive parts manufacturing facility

Automotive belt tensioner assembly process

Automotive belt tensioner quality inspection

Product Matching Support

Need Help Finding the Right Part?

Send us the OE part number, vehicle details, and engine model. Our team will help confirm the correct product.

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Technical Articles & Product Guides

Practical information on belt drive systems, tensioners, water pumps, fitment, maintenance, and automotive parts sourcing.

Sep 04,2025

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Frequently Asked Questions

Find answers about minimum order quantities, samples, product compatibility, delivery, and warranty.

What is your minimum order quantity (MOQ)?

There is no minimum order quantity for in-stock products. For out-of-stock products, the MOQ per part number is:

Belts: 15 pieces
Belt tensioners, water pumps, idler pulleys, and kits: 10 pieces

Different part numbers cannot be combined to meet the MOQ. Please send us your part numbers and required quantities to confirm stock availability.

Do you provide samples?

Yes, samples are available for a fee. Complimentary samples may be offered to qualified business customers following a review of their requirements. Shipping costs are always covered by the customer. Please contact us with the part numbers and quantities you need.

How can I confirm that a part fits my vehicle?

Please provide the OE part number, vehicle details, and engine model. Our team will use this information to check compatibility and help you select the correct part before ordering.

What is your delivery lead time?

In-stock orders can usually be dispatched within 3–4 days. Orders containing out-of-stock items generally require at least 7 days before dispatch. Dispatch times also depend on order size and quantity, regardless of stock availability. We will confirm the estimated lead time with you before you place your order. Shipping transit time is additional.

What warranty do you offer?

Our warranty coverage varies by product:

Individual belts: 1 year or 60,000 km, whichever comes first.
Belt and tensioner kits: 2 years.
Belt tensioners, water pumps, and idler pulleys: 1 year.

Please register your products at support.sumaterus.com within 30 days of receiving them. For products registered within this period, the warranty starts on the installation date recorded during registration. Otherwise, the warranty starts on the date the products were received.

If a product is confirmed to have a quality defect within the applicable warranty period, we will provide a free replacement.

ABOUT SUMATE

SUMATE supplies automotive belts, tensioners, idler pulleys, water pumps, and repair kits for passenger cars, commercial vehicles, and heavy-duty applications.

PRODUCTS: Belt Tensioners & Idler Pulleys; Automotive Belts; Water Pumps; Belt & Tensioner Kits

RESOURCES: About Us; Product Catalogs; Blog; FAQ; Warranty Registration

CONTACT US: Room 901, Building A1, Kangzhou Science and Technology Innovation Park, Qiantang District, Hangzhou, Zhejiang, China; jay@sumaterus.com; +86-17351170104

SUMATE Automotive Parts

Automotive Belts, Tensioners & Water Pumps

Product Categories

Belt Tensioners & Idler Pulleys

Automotive Belts

Water Pumps

Belts & Tensioner Kits

Automotive Parts Manufacturing & Quality Control

Need Help Finding the Right Part?

Technical Articles & Product Guides

Meeting the Demands of Fleet Operators with SUMATE's Truck Parts

Why Quality Matters When Choosing a Tensioner Idler Pulley for Mercedes-Benz

Common Signs You Need Tensioner Pulley Replacement

Frequently Asked Questions

What is your minimum order quantity (MOQ)?

Do you provide samples?

How can I confirm that a part fits my vehicle?

What is your delivery lead time?

What warranty do you offer?