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Motorad 3120 Radiator Cap Adapter for MT-300 Pressure Tester
Motorad

Motorad 3120 Radiator Cap Adapter for MT-300 Pressure Tester

$62.99 In Stock Sold out
SKU: 3120
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  • Description
  • Fitment
  • Warranty and Refund
  • Reviews

The Motorad 3120 is a machined metal adapter designed to work with the MT-300 cooling system pressure tester, giving technicians a reliable way to check that a coolant cap is holding the correct pressure. Its screw-on attachment provides a secure connection to the cap during testing, helping you diagnose cooling system issues with confidence. Built for professional use, this adapter is intended for shops and DIYers who already use MT-300 test equipment and need the correct fitment to test coolant caps on applicable Volvo 240, 700, 800 series and related models from 1975-2003. Note that a gasket or seal is not included, so be sure you have the right sealing components on hand before testing. Add the Motorad 3120 to your test kit to keep coolant cap diagnostics accurate and efficient.

Features

  • Machined metal build supports repeated professional use during cooling system diagnostics
  • Screw-on attachment creates a secure connection to the coolant cap while testing
  • Compatible with MT-300 pressure testers, so it fits into existing pro test setups
  • Purpose-built to test automotive coolant caps, helping confirm correct system pressure
  • No gasket or seal included, so plan accordingly for a complete testing setup

Application Summary

1975 Volvo 242 2.0L 1990CC 121CID L4 OHV 8 Valve Naturally Aspirated GAS
1975 Volvo 244 2.0L 1990CC 121CID L4 OHV 8 Valve Naturally Aspirated GAS
1975 Volvo 245 2.0L 1990CC 121CID L4 OHV 8 Valve Naturally Aspirated GAS
1976, 1978-1979 Volvo 262 2.7L 2673CC -CID V6 SOHC 12 Valve Naturally Aspirated GAS
1976-1979 Volvo 264 2.7L 2673CC -CID V6 SOHC 12 Valve Naturally Aspirated GAS
1976-1979 Volvo 265 2.7L 2673CC -CID V6 SOHC 12 Valve Naturally Aspirated GAS
1976-1981 Volvo 244 2.1L 2127CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1976-1982 Volvo 242 2.1L 2127CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1976-1982 Volvo 245 2.1L 2127CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1980 Volvo 264 2.1L 2127CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1980 Volvo 265 2.4L 2383CC -CID L6 SOHC 12 Valve Naturally Aspirated DIESEL
1980, 1982 Volvo 264 2.8L 2849CC -CID V6 SOHC 12 Valve Naturally Aspirated GAS
1980-1981 Volvo 262 2.8L 2849CC -CID V6 SOHC 12 Valve Naturally Aspirated GAS
1980-1981 Volvo 264 2.4L 2383CC -CID L6 SOHC 12 Valve Naturally Aspirated DIESEL
1980-1981 Volvo 265 2.8L 2849CC -CID V6 SOHC 12 Valve Naturally Aspirated GAS
1982, 1984 Saab 900 2.0L 1985CC -CID L4 SOHC 8 Valve Turbocharged GAS
1982, 1984 Volvo 245 2.4L 2383CC -CID L6 SOHC 12 Valve Naturally Aspirated DIESEL
1982-1983 Volvo 242 2.1L 2127CC -CID L4 SOHC 8 Valve Turbocharged GAS
1982-1984 Volvo 244 2.1L 2127CC -CID L4 SOHC 8 Valve Turbocharged GAS
1983, 1985 Saab 900 2.0L 1985CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1983-1984 Volvo 760 2.4L 2383CC -CID L6 SOHC 12 Valve Turbocharged DIESEL
1983-1984, 1986-1988 Volvo 760 2.8L 2849CC -CID V6 SOHC 12 Valve Naturally Aspirated GAS
1983-1989 Volvo 245 2.3L 2316CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1984 Volvo 242 2.3L 2316CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1984 Volvo DL 2.1L 2127CC -CID L4 U/K U/K Valve Naturally Aspirated GAS
1984 Volvo GLE 2.3L 2316CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1984-1985 Volvo 245 2.1L 2127CC -CID L4 SOHC 8 Valve Turbocharged GAS
1984-1990 Volvo 760 2.3L 2316CC -CID L4 SOHC 8 Valve Turbocharged GAS
1985 Volvo 740 2.3L 2316CC -CID L4 SOHC 8 Valve Turbocharged GAS
1985 Volvo 745 2.3L 2316CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1985 Volvo 745 2.4L 2383CC -CID L6 SOHC 12 Valve Turbocharged DIESEL
1985-1989 Volvo 244 2.3L 2316CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1986 Saab 9000 2.0L 1985CC -CID L4 DOHC 16 Valve Turbocharged GAS
1986 Volvo 740 2.4L 2377CC -CID L6 SOHC 12 Valve Turbocharged DIESEL
1986-1990 Saab 900 2.0L 1985CC -CID L4 DOHC 16 Valve Turbocharged GAS
1986-1992 Volvo 740 2.3L 2316CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1987-1990 Saab 9000 2.0L 1985CC -CID L4 DOHC 8 Valve Naturally Aspirated GAS
1987-1990 Volvo 780 2.8L 2849CC -CID V6 SOHC 12 Valve Naturally Aspirated GAS
1989-1991 Volvo 780 2.3L 2316CC -CID L4 SOHC 8 Valve Turbocharged GAS
1990-1993 Saab 9000 2.3L 2290CC 140CID L4 DOHC 16 Valve Naturally Aspirated GAS
1990-1993 Volvo 240 2.3L 2316CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1991-1992 Volvo 940 2.3L 2316CC -CID L4 SOHC 8 Valve Turbocharged GAS
1991-1994 Saab 900 2.1L 2119CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1992-1997 Volvo 960 2.9L 2922CC -CID L6 DOHC 24 Valve Naturally Aspirated GAS
1993-1995 Volvo 940 2.3L 2316CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1993-1997 Volvo 850 2.4L 2435CC -CID L5 DOHC 20 Valve Naturally Aspirated GAS
1994-1996, 1998 Saab 900 2.3L 2290CC 140CID L4 DOHC 16 Valve Naturally Aspirated GAS
1994-1998 Saab 9000 2.3L 2290CC -CID L4 DOHC 16 Valve Turbocharged GAS
1997 Saab 900 2.5L 2498CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1997-1998 Volvo S90 2.9L 2917CC -CID L6 DOHC 24 Valve Naturally Aspirated GAS
1997-1998 Volvo V90 2.9L 2917CC -CID L6 DOHC 24 Valve Naturally Aspirated GAS
1998 Volvo S70 2.4L 2435CC -CID L5 DOHC 20 Valve Naturally Aspirated GAS
1998-1999, 2001-2003 Volvo V70 2.4L 2435CC -CID L5 DOHC 20 Valve Turbocharged GAS
1998-2004 Volvo C70 2.3L 2319CC -CID L5 DOHC 20 Valve Turbocharged GAS
1998-2004 Volvo C70 2.4L 2435CC -CID L5 DOHC 20 Valve Turbocharged GAS
1999-2000 Volvo S70 2.4L 2435CC -CID L5 DOHC 20 Valve Turbocharged GAS
1999-2004 Volvo S80 2.9L 2917CC -CID L6 DOHC 24 Valve Naturally Aspirated GAS
2000, 2004-2007 Volvo V70 2.4L 2435CC -CID L5 DOHC 20 Valve Naturally Aspirated GAS
2000-2004 Volvo S40 1.9L 1948CC -CID L4 DOHC 16 Valve Turbocharged GAS
2000-2004 Volvo V40 1.9L 1948CC -CID L4 DOHC 16 Valve Turbocharged GAS
2001-2003 Volvo S60 2.4L 2435CC -CID L5 DOHC 20 Valve Turbocharged GAS
2003-2006 Volvo XC90 2.5L 2521CC -CID L5 DOHC 20 Valve Turbocharged GAS
2003-2007 Volvo XC70 2.5L 2521CC -CID L5 DOHC 20 Valve Turbocharged GAS
2004, 2006-2009 Volvo S60 2.5L 2521CC -CID L5 DOHC 20 Valve Turbocharged GAS
2005 Volvo S60 2.4L 2435CC -CID L5 DOHC 20 Valve Naturally Aspirated GAS
2005-2006 Volvo S80 2.5L 2521CC -CID L5 DOHC 20 Valve Turbocharged GAS
2007 Volvo XC90 4.4L 4414CC 269CID V8 DOHC 32 Valve Naturally Aspirated GAS
2008-2013 Volvo XC90 3.2L 3192CC -CID L6 DOHC 24 Valve Naturally Aspirated GAS
Part Numbers: 3120

Specifications

  • Brand: Motorad
  • Part Number: 3120
  • Part Type: Radiator Cap Adapter
  • UPC: 055644031200
  • GTIN: 00055644031200
  • Package Dimensions: 13.2 x 12.2 x 6.2 IN
  • Package Weight: 12.84 LB
  • Package Quantity: EA

Returns

30-Day Money-Back Guarantee

We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.

To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.

Return Requirements:

  • Items must be securely packed in the original manufacturer's packaging.
  • All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
  • You must obtain and retain the tracking number for your return.

Non-Returnable Items:

  • Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.

We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.

Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.

 


Warranty

Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.

This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.

Exclusions:

The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.

Warranty Claims Process:

  • All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
  • No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
  • The buyer assumes all risk of damage resulting from improper installation.

All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.

 


Shipping

We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).

Shipping to Other Locations:

A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.

Order Processing & Tracking:

  • Orders are shipped Monday through Friday, excluding holidays.
  • Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
  • A tracking number will be emailed within one business day after shipping.

If you do not receive a tracking number, please:

  • Check your spam/junk folder.
  • If it's not there, contact us via phone or eBay message for assistance.

International Orders:

Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.

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