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BoschSparkPlugs.net is part of the SparkPlugs.com family - an authorized Bosch distributor. To contact Bosch USA, click here.

Common Ordering Questions

How do I Contact Customer Service?

Our team is at your service 8:00 a.m. to 12:00 p.m and 1:00 to 5:00 p.m. PST, Monday through Friday at 888-800-9629.

Alternatively, if you'd prefer electronic communication, you can use the contact us link here or email us at cust@sparkplugs.com.

How do I Get Technical Support?

For part specifications and vehicle fitment, use our search box at the top of the page. Once you arrive at a product detail page, you will find tabs with part specifications, reverse vehicle fitment and cross reference data.  

For customized vehicles, non-US vehicles, and advanced technical support, please contact the manufacturers technical support line:

Bosch offers live technical help at 888-715-3616, 8am-5pm M-F, (CST)

Payment Methods

Visa, Mastercard, Discover, and American Express are accepted for all domestic US and Canada orders.

PayPal is accepted for all domestic US and international orders.

For Credit/Debit Card payments: If your shipping and billing address are different, please consider using PayPal. Click here for additional information on our payment security checks.

For PayPal payments: The shipping address on your order must match the shipping address on your payment. Click here for additional information on our payment security checks.

Shipping Methods and Cost

Regardless of the destination, shipping can be calculated on our site without going through the checkout process.  Simply add all items to your cart, then use the shipping estimator, which will provide a cost for all available shipping methods from UPS and USPS. See a current list of countries with shipping restrictions.

Order Cancellation

If you wish to cancel an order, please contact us immediately at 888-800-9629. Cancellation via email may not intercept our turbo-charged shipping line quick enough. Once the shipping carrier is in possession of the package, an order cannot be cancelled. You may refuse delivery of the order, and the parts will be credited when we receive back the order.

Wholesale Quotes

SparkPlugs.com was designed for the benefit of consumers and automotive enthusiasts around the world. All orders can be placed on SparkPlugs.com, regardless of destination. Simply add the parts to your cart, then proceed to checkout.

For commercial purchases, or orders above 100 pieces, you will be referred directly to our fulfillment center. They will accurately quote orders from 100 to 100,000 pieces. Please have ready the part numbers and quantities desired. To request a quote, click here.


The SparkPlugs.com Family fully backs all manufacturer's warranties. Warranty information can be viewed in the "Specs" tab on a parts detail page. If you feel you have a valid warranty claim, contact our customer service team to discuss initiating a return. Parts that were damaged due to incorrect installation are not covered under a warranty. Parts used for racing or competition are warranted against manufacturing defects only, and are not warranted for longevity, wear or breakage.

Return Policy

The SparkPlugs.com Family offers 30 days of free returns on all domestic US shipments. View our full return policy here.

What if my order arrives damaged or is lost in transit?

While our shipping team works hard to ensure your order arrives in good condition, occasionally packages get lost or damaged during transit. If you receive a damaged shipment or it is lost by the carrier, we are here to help. Simply contact customer service and we will immediately work to rectify the situation.

In the case of a damaged shipment, please do not throw away the item, original packaging or outer box. We will arrange to have this picked up by the carrier.