<h2>Product Overview</h2><p>This aftermarket replacement valve core kit is intended for automotive air-conditioning service involving R12 and R134A systems. The 17PCS kit is identified with black caps and Teflon seals for replacing or servicing valve core components.</p><h3>Key Features</h3><ul> <li>17PCS valve core kit</li> <li>For R12 air-conditioning systems</li> <li>For R134A air-conditioning systems</li> <li>Teflon seal cap design</li> <li>Black color</li> </ul><h3>Compatibility &amp; Fitment</h3><ul> <li>For R12 systems</li> <li>For R134A systems</li> </ul><h3>Product Details</h3><ul> <li> <strong>Product Type:</strong> Aftermarket replacement valve core kit</li> <li> <strong>Quantity:</strong> 17PCS</li> <li> <strong>Color:</strong> Black</li> <li> <strong>Seal:</strong> Teflon</li> <li> <strong>Application:</strong> Automotive air-conditioning systems</li> </ul><h3>Frequently Asked Questions</h3><p><strong>Q:</strong> What is this kit used for? <strong>A:</strong> It is used to replace or service valve core components in automotive air-conditioning systems identified for R12 or R134A use.</p><p><strong>Q:</strong> How should fitment be verified before purchase? <strong>A:</strong> Compare the existing valve core and vehicle air-conditioning system with the R12 or R134A specification before purchase.</p><p><em>This is an aftermarket replacement part for the referenced application and is not represented as genuine or original equipment. Compatibility may vary by model, production date, serial number, or existing part number. Verify fitment before purchase.</em></p>