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          URO Parts URO-012678 - Engine Crankcase Breather Hose

          MPN: URO-012678
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $10.30
          Out of stock

          Product Overview

          The URO Parts URO-012678 Engine Crankcase Breather Hose is an essential component designed to regulate the flow of gases in the crankcase, ensuring optimal engine performance and emissions control. Manufactured with OE-level quality, this breather hose guarantees reliable fitment and durability for your vehicle. URO Parts is a trusted brand known for providing high-quality automotive parts for various makes, including Audi and Volkswagen. Choose URO Parts URO-012678 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This URO Parts URO-012678 is equivalent to or replaces the following part numbers: URO012678, 06B103209E, 06B 103 221F, 06B103221F, 147 54068 001, 14754068001.

          Vehicle Compatibility

          • Audi A4 1.8 (2002-2003)
          • Audi A4 Quattro 1.8 (2002-2003)
          • Volkswagen Passat 1.8 (2003-2005)

          This also fits other applications. Please use the vehicle selector tool to verify fitment.

          Why Choose Newparts.com?

          • Trusted by DIYers and pros for over 15 years
          • Over 20 million auto parts shipped
          • Top brands at the best prices online
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          • Fast, reliable shipping from our U.S. warehouses

          Frequently Asked Questions

          What is the function of the URO-012678 Engine Crankcase Breather Hose?

          The URO-012678 Engine Crankcase Breather Hose helps regulate the pressure and gases within the crankcase, preventing oil leaks and maintaining engine efficiency.

          What vehicles is the URO Parts URO-012678 compatible with?

          This breather hose is compatible with Audi A4 and A4 Quattro models from 2002 to 2003, as well as the Volkswagen Passat from 2003 to 2005.

          What are common symptoms of a failing crankcase breather hose?

          Symptoms may include increased oil consumption, engine misfires, and unusual engine noises. If you notice these signs, consider replacing your crankcase breather hose with the URO-012678 for optimal performance.

          How do I know if I need to replace my engine crankcase breather hose?

          If you experience poor engine performance or notice oil leaks, it may be time to replace your engine crankcase breather hose. The URO-012678 is an excellent choice for ensuring your vehicle operates smoothly.

          Where can I buy the URO Parts URO-012678?

          You can order the URO Parts URO-012678 today for a factory-correct replacement that restores safety and performance.

            • Newparts SKU
              4305126
            • Weight
              0.1 lbs
            • Dimensions (L x W x H)
              4 x 2 x 2 in
            • Manufacturer Part #
              URO-012678
          • Brand
            URO Parts
          • Manufacturer
            URO Parts
          • MPN
            URO-012678
          • Features
            California Proposition 65 : WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
            Material : AEM
            Molded : Yes
            Number Of Branches : 2
            Number of Hose Connectors : 3
          • Cross Reference Numbers
            URO012678, 06B103209E, 06B 103 221F, 06B103221F, 147 54068 001, 14754068001
          • Part Type
            Engine Crankcase Breather Hose
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2003VolkswagenPassatGL (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2003VolkswagenPassatGLS (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2003AudiA4Base (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2003AudiA4Cabriolet (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2003AudiA4 QuattroAvant (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2003AudiA4 QuattroBase (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2004VolkswagenPassatGLS (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2004VolkswagenPassatGL (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2004VolkswagenPassatGLS 4 Motion (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2005VolkswagenPassatGL (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2005VolkswagenPassatGLS 4 Motion (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2005VolkswagenPassatGLS (1.8 L4 GAS)Notes: Valve cover to vent tubes
          2002AudiA4Base (1.8 L4 GAS)Notes: Chassis Range: From # 8E-2-000001, Valve cover to vent tubes
          2002AudiA4 QuattroAvant (1.8 L4 GAS)Notes: Chassis Range: From # 8E-2-000001, Valve cover to vent tubes
          2002AudiA4 QuattroBase (1.8 L4 GAS)Notes: Chassis Range: From # 8E-2-000001, Valve cover to vent tubes
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          Warranty Overview

          At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.

          Standard Warranty – Most Parts

          • Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.

          • Protection: Defects in materials or workmanship under normal personal use.

          • Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.

          • Exclusions:

            • Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)

            • Commercial, fleet, rideshare, off-road, or racing use

            • Improper installation, misuse, accidents, or modifications

          • Not Covered: Labor, shipping, towing, or incidental costs.

          Bison Performance Warranty – Our House Brand

          • Coverage: Limited Lifetime Warranty for as long as you own your vehicle.

          • Applies To: All products sold under the Bison Performance label.

          • Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.

          • Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).

          • What’s Included: Replacement of the defective product (labor and shipping excluded).

          Warranty Claim Requirements

          To keep claims fast and fair, we require:

          • Proof of purchase (invoice or order confirmation).

          • Photos or videos showing the defective part, order number, date, VIN, and odometer reading.

          • Diagnostic reports or part returns for non-visible issues may be requested.

          • Claims must be truthful, properly documented, and reflect normal consumer use.

          Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.

          For full details and exclusions, please see our complete Warranty Terms & Conditions.


          This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.

          Return Policy Overview

          Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
          To start a return, use our Return Portal or contact support.

          • Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)

          • Refunds: Issued to your original payment method within 3–5 business days after inspection

          • Exchanges: Not automatic — please return and reorder

          • Replacements: May be approved for incorrect or defective items reported within 7 days

          Not returnable:

          • Used or installed parts

          • Electrical components

          • Opened filter kits, gaskets, or contaminated items

          • Final sale or custom orders

          Important Notes:

          • Return shipping is your responsibility unless we made a verified error

          • Fitment is the customer’s responsibility (we can assist, but do not guarantee)

          • Country of origin may vary and is not grounds for return

          For complete details, please see our full Return Policy.



          This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.

          Fast, Reliable Shipping — Straight to Your Door

          We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.

          • We use trusted carriers like UPS, FedEx, and USPS.

          • Tracking info is emailed to you as soon as your order ships.

          • Delivery estimates at checkout are based on carrier data, but not guaranteed.

          Need help with a shipment?

          If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.

          For full details, please see our complete Shipping Policy.


          This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions,  risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.

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