Have Questions?
Professional-grade parts used trackside.
Expert help during business hours.
Encrypted checkout & trusted payments.
Orders ship quickly from regional warehouses.
Description:
The Autolite 1103 Diesel Glow Plug is engineered to warm the combustion chamber and ensure proper fuel ignition for dependable diesel engine starting. By pre-heating the air inside the cylinder, this glow plug helps deliver faster, smoother cold starts and more reliable engine performance in low-temperature conditions.
Constructed with a nickel-chrome alloy heating element, the glow plug reaches high temperatures quickly to improve ignition efficiency. The sheathed dual-coil design enhances pre-heating capability for quicker startup performance. Precision-machined nickel-plated threads allow for easy installation while helping resist corrosion and thread damage.
Autolite glow plugs are manufactured to meet strict quality standards, providing dependable operation and reliable performance for diesel engine applications.
Features:
Nickel-chrome alloy heating element provides rapid heat buildup for reliable cold starts
Sheathed dual-coil design improves pre-heating performance
Helps warm the combustion chamber for proper diesel fuel ignition
Precision-machined nickel-plated threads for easier installation
Durable construction for dependable diesel engine operation
Product Specifications:
Part number: 1103
Brand: Autolite
Product type: Diesel glow plug
Voltage: 11V DC
Wattage: 120 W
Coil type: Sheathed dual coil
Igniting type: Slow
Pre-heating time: 15 seconds
Reach: 1.24 in
Overall length: 2.913 in
Probe diameter: 6 mm
Hex size: 12 mm
Seat type: Tapered
Terminal type: Threaded
Terminal gender: Male
System voltage: 11V DC
Material: Metal
Heating element material: Steel
Integrated pressure sensor: No
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
