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Dorman Autograde Heater Bypass Vacuum Cap 3/4 In ID 5 Pack for Automotive Repair 493-101

Dorman Autograde Heater Bypass Vacuum Cap 3/4 In ID 5 Pack for Automotive Repair 493-101

Regular price $21.08
Regular price Sale price $21.08
Sale Sold out

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Low stock: 4 left

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Shipping & returns

Shipping details

In-stock orders are processed within 48 hours; transit time is additional.

International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.

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Returns

Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.

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Return details & how to start

Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.

Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.

Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.

After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.

Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

Specifications

Product details shared across all variants.

Product type
Vacuum Cap
Category
Motor Vehicle Parts
Item condition
New
Manufacturer type
Aftermarket
Shipping weight
1.0 lb
Barcode
019495495918

Billable shipping weight; may include dimensional weight.

Heater bypass vacuum caps with 3/4 inch inner diameter used to replace cracked or leaking factory caps in automotive cooling systems.

Built to meet the manufacturer's design intent for reliable service using high-quality materials engineered for long-lasting durability under daily driving conditions.

Key Features

  • 3/4 inch inner diameter sized for standard heater bypass lines
  • Constructed from high-quality materials for extended service life
  • Sold as a convenient 5-piece pack for multiple repairs or spares
  • Designed as a direct-fit replacement for original equipment
  • Part number 493-101 ensures correct identification

Benefits

  • Restores proper vacuum pressure to the heating system
  • Prevents coolant leaks caused by deteriorated caps
  • Reduces the risk of repeat repairs with durable construction
  • Ensures smoother installation with OE-matching form and fit
  • Provides cost-effective solution with multi-pack value
  • Helps maintain consistent cabin temperature performance

Application

Ideal for DIY mechanics and professional technicians repairing heater core bypass lines on various makes and models requiring a 3/4 inch vacuum cap.

Fitment Notes

  • Universal fit for vehicles requiring a 3/4 inch ID heater bypass cap
  • Verify inner diameter measurement before installation

Why Choose Dorman - Autograde?

  • Dorman parts are engineered as direct-fit replacements designed to match OE form fit and function
  • Built with quality materials and validated through testing to stand up to daily driving demands
  • Offers a smart way to restore your vehicle with confidence in fit durability and dependable performance

What's in the Box

  • 5 Piece Heater Bypass Vacuum Cap Pack

Item Dimensions

  • 3.7in x 2.4in x 2.2in
  • 0.2lbs
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Vehicle fitment