Buick Transmission Crossmembers

At Advance Auto, we carry 3 different types of Transmission Crossmembers for your Buick at competitive prices to fit your budget. Save on costs when you find your Buick replacement Transmission Crossmembers with us.

Make sure to compare prices and take a look at the top user reviewed Transmission Crossmembers that fit your Buick. The ratings and reviews for these aftermarket Buick Transmission Crossmembers really help you make the right decision.

Whether you’re a do-it-yourselfer or trained auto tech, you’ll appreciate the convenience of home or business delivery, or picking up your Transmission Crossmembers at the nearest Advance Auto Parts location.

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Compare 3 Buick Transmission Crossmembers

Search our full catalog of aftermarket Buick Transmission Crossmembers below. Make sure to check for user reviews of Transmission Crossmembers to learn which worked the best for our customers.

Hooker BlackHeart – Hooker BlackHeart Transmission Crossmember – G-Body – LS or LT Swap (Part No.12644HKR-1)

Hooker BlackHeart Transmission Crossmember - G-Body - LS or LT Swap

from

$422.99
Product Features:
  • This LS and LT Swap Crossmember for the GM G-Body has some very minor design updates & has been updated from 12644HKR to part number 12644HKR-1
  • Facilitates installation of a 4L60/4L65/4L70/4L80/TH400/2004R/T56/T56 behind an LS engine in 78-88 GM A/G Body applications (may require add-on bracket, see installation notes)
  • Designed using CAD modeling/FEA analysis for optimal fitment, strength, weight, safety and appearance
  • Welded steel construction
  • Provides an optimized engine/transmission inclination angle that is critical to obtaining suitable U-joint working angles, when installed with Hooker 12643HKR engine mounts
  • Designed in conjunction with other Hooker BlackHeart GM A/G-Body engine swap brackets to provide bolt-in installation of Hooker LS swap manifolds, headers and exhaust systems for this application
  • Provides the highest clearance available for up to 3″ dual exhaust system routing
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Hooker BlackHeart – Hooker BlackHeart Transmission Crossmember (Part No.12627HKR)

Hooker BlackHeart Transmission Crossmember

from

$413.99
Product Features:
  • Facilitates installation of a 4L80/4L85 GM automatic transmission behind an LS engine in any year 1st-gen F-body or 3rd-gen X-body
  • Designed using CAD modeling/FEA analysis for optimal fitment, strength, weight, safety and appearance
  • High-strength low-alloy steel construction
  • Provides an engineered 3 to 3.5 degree engine/transmission inclination angle that is critical to obtaining suitable U-joint working angles, when installed with Hooker 1st-gen F-Body & X-body LS engine swap brackets
  • Designed in conjunction with Hooker 1st-gen F-body & X-body LS/LT engine swap brackets to provide bolt-in installation of Hooker LS swap headers and exhaust systems for this application
  • Installation requires use of transmission mount 71223029HKR (black) or 71223030HKR (red)
  • Provides the highest clearance available for up to 3″ exhaust system routing
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Hooker Headers – Exhaust (Part No.12647HKR)

Exhaust

from

$80.99
Exhaust