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          URO Parts URO-009028 - Door Lock Knob

          MPN: URO-009028
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $1.54
          In stock

          Product Overview

          The URO Parts URO-009028 Door Lock Knob is designed to provide a reliable and secure locking mechanism for your vehicle's door. Crafted with OE-level quality and precision, this door lock knob ensures a perfect fit and optimal performance in various BMW models from 1978 to 1998. With URO Parts' reputation for quality and dependability, you can trust this product to restore functionality to your vehicle's locking system. Choose URO Parts URO-009028 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This URO Parts URO-009028 is equivalent to or replaces the following part numbers: 51 21 1 852 140, 51211852140, URO009028.

          Vehicle Compatibility

          • BMW 733i (1978-1984) 3.2
          • BMW 528e (1982-1988) 2.7
          • BMW 533i (1983-1984) 3.2
          • BMW 325e (1984-1987) 2.7
          • BMW 318i (1984-1995) 1.8
          • BMW 524td (1985-1986) 2.4
          • BMW 735i (1985-1992) 3.5
          • BMW 535i (1985-1993) 3.5
          • BMW 325is (1987-1991) 2.5
          • BMW 740i (1993-1994) 4.0 V8

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

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          Frequently Asked Questions

          What is the function of the URO-009028 Door Lock Knob?

          The URO-009028 Door Lock Knob serves to secure your vehicle's doors, providing safety and ease of access. Its design ensures compatibility and reliability for various BMW models.

          How do I know if the URO Parts URO-009028 fits my vehicle?

          This door lock knob is compatible with a wide range of BMW vehicles. Always verify fitment using the vehicle selector tool or consult your owner’s manual for specific compatibility.

          What are the symptoms of a faulty door lock knob?

          Common symptoms include difficulty locking or unlocking the door, a loose or wobbly knob, or a knob that does not turn at all. If you experience any of these issues, consider replacing it with the URO-009028.

          What should I do if I encounter a DTC related to the door lock mechanism?

          While DTCs are typically not associated with door lock knobs, if you experience issues, ensure that the knob is functioning correctly. If there are any electrical concerns, consult a professional technician.

          Where can I purchase the URO Parts URO-009028?

          You can order the URO Parts URO-009028 directly from Newparts.com for a factory-correct replacement that restores safety and performance.

            • Newparts SKU
              4303331
            • Weight
              0.05 lbs
            • Dimensions (L x W x H)
              1.75 x 0.25 x 0.25 in
            • Manufacturer Part #
              URO-009028
          • Brand
            URO Parts
          • Manufacturer
            URO Parts
          • MPN
            URO-009028
          • Features
            California Proposition 65 : WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
          • OE Part Numbers
            51 21 1 852 140, 51211852140
          • Cross Reference Numbers
            URO009028, 51211852140
          • Part Type
            Door Lock Knob
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          1998BMWM3Base (3.2 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1998BMW318iBase (1.9 L4 GAS)Position: Left, Position: Right, Notes: Color: Black
          1998BMW328iBase (2.8 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1997BMWM3Base (3.2 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1997BMW318iBase (1.9 L4 GAS)Position: Left, Position: Right, Notes: Color: Black
          1997BMW328iBase (2.8 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1997BMW840CiBase (4.4 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1997BMW850CiBase (5.4 V12 GAS)Position: Left, Position: Right, Notes: Color: Black
          1996BMW318iBase (1.9 L4 GAS)Position: Left, Position: Right, Notes: Color: Black
          1996BMW328iBase (2.8 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1996BMW840CiBase (4.4 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1996BMW850CiBase (5.4 V12 GAS)Position: Left, Position: Right, Notes: Color: Black
          1995BMW530iBase (3.0 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1995BMW325iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1995BMW318iBase (1.8 L4 GAS)Position: Left, Position: Right, Notes: Color: Black
          1995BMW540iBase (4.0 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1995BMW525iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1995BMW840CiBase (4.0 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1995BMW850CiBase (5.4 V12 GAS)Position: Left, Position: Right, Notes: Color: Black
          1994BMW530iBase (3.0 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1994BMW325iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1994BMW318iBase (1.8 L4 GAS)Position: Left, Position: Right, Notes: Color: Black
          1994BMW750iLBase (5.0 V12 GAS)Position: Right, Position: Left, Notes: Color: Black
          1994BMW540iBase (4.0 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1994BMW850CiBase (5.0 V12 GAS)Position: Left, Position: Right, Notes: Color: Black
          1994BMW740iBase (4.0 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1994BMW840CiBase (4.0 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1994BMW740iLBase (4.0 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1994BMW525iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1994BMW850CSiBase (5.6 V12 GAS)Position: Right, Position: Left, Notes: Color: Black
          1999BMW328iBase (2.8 L6 GAS)Position: Left, Position: Right, Chassis: E36, Notes: Color: Black
          1991BMW318iBase (1.8 L4 GAS)Position: Left, Position: Right, Notes: Color: Black
          1991BMW318isBase (1.8 L4 GAS)Position: Left, Position: Right, Notes: Color: Black
          1991BMW750iLBase (5.0 V12 GAS)Position: Right, Position: Left, Notes: Color: Black
          1991BMW525iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1991BMWM5Base (3.6 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1991BMW325isBase (2.5 L6 GAS)Position: Front Left, Position: Front Right
          1991BMW325iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1991BMW325iXBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1991BMW535iBase (3.5 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1991BMW735iLBase (3.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1991BMW850iBase (5.0 V12 GAS)Position: Left, Position: Right, Notes: Color: Black
          1991BMW735iBase (3.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1992BMW318iBase (1.8 L4 GAS)Position: Left, Position: Right, Notes: Color: Black
          1992BMW318isBase (1.8 L4 GAS)Position: Right, Position: Left, Chassis: E30, Notes: Color: Black
          1992BMW325iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1992BMWM5Base (3.6 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1992BMW750iLBase (5.0 V12 GAS)Position: Right, Position: Left, Notes: Color: Black
          1992BMW525iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1992BMW535iBase (3.5 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1992BMW735iLBase (3.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1992BMW850iBase (5.0 V12 GAS)Position: Left, Position: Right, Notes: Color: Black
          1992BMW735iBase (3.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1993BMW325iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1993BMW318iBase (1.8 L4 GAS)Position: Left, Position: Right, Notes: Color: Black
          1993BMW850CiBase (5.0 V12 GAS)Position: Right, Position: Left, Notes: Color: Black
          1993BMW740iBase (4.0 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1993BMWM5Base (3.6 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1993BMW750iLBase (5.0 V12 GAS)Position: Right, Position: Left, Notes: Color: Black
          1993BMW740iLBase (4.0 V8 GAS)Position: Right, Position: Left, Notes: Color: Black
          1993BMW525iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1993BMW535iBase (3.5 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1989BMW750iLBase (5.0 V12 GAS)Position: Right, Position: Left, Notes: Color: Black
          1989BMW325iXBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1989BMW325isBase (2.5 L6 GAS)Position: Front Left, Position: Front Right
          1989BMW325iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1989BMW525iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1989BMW535iBase (3.5 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1989BMW735iLBase (3.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1989BMW735iBase (3.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1988BMW750iLBase (5.0 V12 GAS)Position: Right, Position: Left, Notes: Color: Black
          1988BMW325iXBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1988BMW325iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1988BMW325Base (2.7 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1988BMW325isBase (2.5 L6 GAS)Position: Front Left, Position: Front Right
          1988BMW735iLBase (3.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1988BMWM5Base (3.5 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1988BMW735iBase (3.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1990BMW750iLBase (5.0 V12 GAS)Position: Right, Position: Left, Notes: Color: Black
          1990BMW325isBase (2.5 L6 GAS)Position: Front Left, Position: Front Right
          1990BMW325iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1990BMW325iXBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1990BMW525iBase (2.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1990BMW535iBase (3.5 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1990BMW735iLBase (3.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1990BMW735iBase (3.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          1986BMW735iBase (3.5 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1986BMW535iBase (3.5 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1985BMW735iBase (3.5 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1985BMW535iBase (3.5 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1984BMW733iBase (3.2 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1983BMW733iBase (3.2 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1983BMW528eBase (2.7 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1982BMW733iBase (3.2 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1982BMW528eBase (2.7 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1981BMW733iBase (3.2 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1980BMW733iBase (3.2 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1979BMW733iBase (3.2 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1978BMW733iBase (3.2 L6 GAS)Position: Front Left, Position: Front Right, Position: Rear Left, Position: Rear Right
          1987BMW735iBase (3.5 L6 GAS)Position: Right, Position: Left, Notes: Color: Black
          There are more vehicles this part is compatible with. Check if it fits your vehicle.
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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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