Specialty SPC

Hardware

21045
$29.99


Estimated Delivery in 3-4 weeks
Specialty SPC

Hardware

21045
$29.99


Estimated Delivery in 3-4 weeks
Authorized dealer
Free shipping on orders above $175 within the lower 48 United States
Brand new parts with warranty coverage
Free 30-day return and exchange on qualifying orders
Got Questions?
Our experts are here to help!
Part Numbers & Details
Specifications
Part NumberItemQuantity
21045Hardware1

21045 - AUDI/VW KNUCKLE PINCH HARDWARE

---------------------------------------------------------------------------
The upper control arm ball joint pinch bolt on the popular Audi A4 and A5 models is frequently corroded and must be cut out when removing or replacing the upper arms. This bolt and nut replacement kit has a 720 hour saltspray certified coating to minimize future corrosion. Order one kit per side. Replace Audi OE bolt WHT006542 and nut N10286110 with this kit.

Front Replacement Part
Installation time: .4 hr/side
Required: 1 kit per wheel
Compatibility List
YearMakeModelDrivePosition
2020AcuraTLXAWDLower Rear
2020AudiA4Front Upper
2019AudiA4FWDFront Upper
2018AudiA4FWDFront Upper
2017AudiA4FWDFront Upper
2021AudiA4 allroadAWDFront Upper
2020AudiA4 allroadAWDFront Upper
2019AudiA4 allroadAWDFront Upper
2018AudiA4 allroadAWDFront Upper
2017AudiA4 allroadAWDFront Upper
2021AudiA4 QuattroFront Upper
2019AudiA4 QuattroAWDRear
2019AudiA4 QuattroAWDRear
2018AudiA4 QuattroAWDRear
2018AudiA4 QuattroAWDRear
2017AudiA4 QuattroAWDFront
2019AudiA5Front Upper
2018AudiA5AWD, FWDFront Upper
2021AudiA5 QuattroFront Upper
2020AudiA5 QuattroFront Upper
2019AudiA5 QuattroFront Upper
2018AudiA5 QuattroAWDFront Upper
2019AudiA5 SportbackFront Upper
2018AudiA5 SportbackAWDFront Upper
2019AudiS4AWDFront Upper
2018AudiS4AWDFront Upper
2017AudiS4AWDFront Upper
2021AudiS5AWDFront Upper
2020AudiS5AWDFront Upper
2019AudiS5AWDFront Upper
2018AudiS5AWDFront Upper
2019AudiS5 SportbackAWDFront Upper
2018AudiS5 SportbackAWDFront Upper
2021ChevroletSuburbanFront
2021FordF-250 Super DutyRWDFront
2021GMCYukonFront
2021HondaCivicLower
2021HyundaiIoniqFWDFront
2021LexusUX250HFront

Speciality Products Company (SPC) handles their warranty claims directly; if you encounter a product defect please reach out to Speciality Products Company (SPC) directly.

For more information: View the Shock Surplus Warranty Policy.

Shipping Info

Free Shipping on most orders to the lower 48 U.S. states. Truck freight items (over 100 lbs) and custom orders require a separate shipping quote.

  • Applies to items like axles, leaf springs, and long-travel kits.
  • No international shipping on freight items — only to U.S.-based freight forwarders.
  • Worldwide shipping available: Canada, Europe, UAE, Australia, and most of Asia.

Contact us for an international shipping quote.

Returns & Exchanges

30-Day Return Policy — Items must be new, unused, uninstalled, and include all original hardware.

  • No restocking fees for exchanges or gift card credit.
  • 10% restocking fee on refunds, returns cost us real money, so the 10% helps keep the lights on.
  • Installed, damaged, or dirty parts cannot be returned.
  • Any returns missing hardware or miscellaneous items, the return will be denied and returned to the buyer at the buyer's expense.

Need help? Use Live Chat or Email Us anytime.

Start a Return or Exchange

Return Shipping Responsibility

CHECKOUT+ Package and Order Protection plan provides prepaid return labels for any returned packages, this fee varies by product.

  • Our mistake (misboxed, wrong item, damaged): We cover the cost of return shipping.
  • Buyer mistake (wrong item ordered, fitment error, changed mind): Return shipping is the buyer's responsibility - unless CHECKOUT+ Package Protection has been purchased.

  • Under 50 lbs: Discounted carrier rate
  • Over 50 lbs: Discounted carrier rate + $25 oversize fee

Refunds

Refunds are issued within 5–7 business days of receiving your return.

  • Funds typically post to your account in 1–3 business days depending on your payment method.
  • There is a 10% restocking fee on all refunds. We don’t get our original shipping, labor, or transaction fees back — so the 10% restocking fee keeps the lights on.
  • You will receive an email once your refund is processed.

International Orders

  • All international orders are final sale.
  • Returns via freight forwarders only accepted if the product hasn’t left the U.S.
  • Import taxes, duties, and other possible import-related fees are the buyer’s responsibility and not included in our shipping charges.
  • We are not responsible for goods once exported outside the U.S.

Product Details

Whether you want to upgrade, add a reservoir, or find something more affordable, contact us with any questions!

Part Numbers & Details

View full product specifications

Close specs
Part Numbers & Details
Specifications
Part NumberItemQuantity
21045Hardware1

21045 - AUDI/VW KNUCKLE PINCH HARDWARE

---------------------------------------------------------------------------
The upper control arm ball joint pinch bolt on the popular Audi A4 and A5 models is frequently corroded and must be cut out when removing or replacing the upper arms. This bolt and nut replacement kit has a 720 hour saltspray certified coating to minimize future corrosion. Order one kit per side. Replace Audi OE bolt WHT006542 and nut N10286110 with this kit.

Front Replacement Part
Installation time: .4 hr/side
Required: 1 kit per wheel
Compatibility List
YearMakeModelDrivePosition
2020AcuraTLXAWDLower Rear
2020AudiA4Front Upper
2019AudiA4FWDFront Upper
2018AudiA4FWDFront Upper
2017AudiA4FWDFront Upper
2021AudiA4 allroadAWDFront Upper
2020AudiA4 allroadAWDFront Upper
2019AudiA4 allroadAWDFront Upper
2018AudiA4 allroadAWDFront Upper
2017AudiA4 allroadAWDFront Upper
2021AudiA4 QuattroFront Upper
2019AudiA4 QuattroAWDRear
2019AudiA4 QuattroAWDRear
2018AudiA4 QuattroAWDRear
2018AudiA4 QuattroAWDRear
2017AudiA4 QuattroAWDFront
2019AudiA5Front Upper
2018AudiA5AWD, FWDFront Upper
2021AudiA5 QuattroFront Upper
2020AudiA5 QuattroFront Upper
2019AudiA5 QuattroFront Upper
2018AudiA5 QuattroAWDFront Upper
2019AudiA5 SportbackFront Upper
2018AudiA5 SportbackAWDFront Upper
2019AudiS4AWDFront Upper
2018AudiS4AWDFront Upper
2017AudiS4AWDFront Upper
2021AudiS5AWDFront Upper
2020AudiS5AWDFront Upper
2019AudiS5AWDFront Upper
2018AudiS5AWDFront Upper
2019AudiS5 SportbackAWDFront Upper
2018AudiS5 SportbackAWDFront Upper
2021ChevroletSuburbanFront
2021FordF-250 Super DutyRWDFront
2021GMCYukonFront
2021HondaCivicLower
2021HyundaiIoniqFWDFront
2021LexusUX250HFront
Warranty

View warranty coverage

Close specs

Speciality Products Company (SPC) handles their warranty claims directly; if you encounter a product defect please reach out to Speciality Products Company (SPC) directly.

For more information: View the Shock Surplus Warranty Policy.

Shipping & Returns

Free shipping within the lower 48 United States

Close specs

Shipping Info

Free Shipping on most orders to the lower 48 U.S. states. Truck freight items (over 100 lbs) and custom orders require a separate shipping quote.

  • Applies to items like axles, leaf springs, and long-travel kits.
  • No international shipping on freight items — only to U.S.-based freight forwarders.
  • Worldwide shipping available: Canada, Europe, UAE, Australia, and most of Asia.

Contact us for an international shipping quote.

Returns & Exchanges

30-Day Return Policy — Items must be new, unused, uninstalled, and include all original hardware.

  • No restocking fees for exchanges or gift card credit.
  • 10% restocking fee on refunds, returns cost us real money, so the 10% helps keep the lights on.
  • Installed, damaged, or dirty parts cannot be returned.
  • Any returns missing hardware or miscellaneous items, the return will be denied and returned to the buyer at the buyer's expense.

Need help? Use Live Chat or Email Us anytime.

Start a Return or Exchange

Return Shipping Responsibility

CHECKOUT+ Package and Order Protection plan provides prepaid return labels for any returned packages, this fee varies by product.

  • Our mistake (misboxed, wrong item, damaged): We cover the cost of return shipping.
  • Buyer mistake (wrong item ordered, fitment error, changed mind): Return shipping is the buyer's responsibility - unless CHECKOUT+ Package Protection has been purchased.

  • Under 50 lbs: Discounted carrier rate
  • Over 50 lbs: Discounted carrier rate + $25 oversize fee

Refunds

Refunds are issued within 5–7 business days of receiving your return.

  • Funds typically post to your account in 1–3 business days depending on your payment method.
  • There is a 10% restocking fee on all refunds. We don’t get our original shipping, labor, or transaction fees back — so the 10% restocking fee keeps the lights on.
  • You will receive an email once your refund is processed.

International Orders

  • All international orders are final sale.
  • Returns via freight forwarders only accepted if the product hasn’t left the U.S.
  • Import taxes, duties, and other possible import-related fees are the buyer’s responsibility and not included in our shipping charges.
  • We are not responsible for goods once exported outside the U.S.

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