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  • $237.30 MSRP: $392.75
    You Save: $155.45 (40%)
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
    • Item Dimensions: 10.9 x 6.4 x 4.3 inches
    • Item Weight: 5.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12651405, 12655192, 12650244, 12628030, 12618349, 12633829
    • Part Description: Buick Regal Serpentine Tensioner
    More Info
  • Gates Drivealign OE Exact Automatic Belt Tensioner for Buick Regal - 38120
    $120.27
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 3.23"
    • Pulley 1 Flanged: No
    • UPC: 072053442526
    • Width: 30.5 mm
    • Part Description: Buick Regal Drivealign OE Exact Automatic Belt Tensioner
    More Info
  • $63.28 MSRP: $104.72
    You Save: $41.44 (40%)
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 6.1 x 4.2 x 4.1 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick Regal Serpentine Tensioner
    More Info
  • Dayco No Slack Automatic Belt Tensioner Assembly for Buick Regal - 89243
    $139.15
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 82
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 26
    • UPC: 036687186508
    • Part Description: Buick Regal No Slack Automatic Belt Tensioner Assembly
    More Info
  • Gates Drivealign OE Exact Automatic Belt Tensioner for Buick Regal - 38126
    $112.67
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 3.23"
    • Pulley 1 Flanged: No
    • UPC: 072053448351
    • Width: 30.5 mm
    • Part Description: Buick Regal Drivealign OE Exact Automatic Belt Tensioner
    More Info
  • $175.96 MSRP: $291.23
    You Save: $115.27 (40%)
    Product Specifications
    • Item Dimensions: 13.3 x 6.8 x 6.4 inches
    • Item Weight: 5.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12564508, 12621651, 24506508
    • Part Description: Buick Regal Alternator Mount Bracket
    More Info
  • Dayco No Slack Automatic Belt Tensioner Assembly for Buick Regal - 89302
    $99.36
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 76
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 31
    • UPC: 036687312730
    • Part Description: Buick Regal No Slack Automatic Belt Tensioner Assembly
    More Info
  • Gates Drivealign OE Exact Automatic Belt Tensioner for Buick Regal - 38271
    $98.89
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 2.99"
    • Pulley 1 Flanged: No
    • UPC: 072053606539
    • Width: 31 mm
    • Part Description: Buick Regal Drivealign OE Exact Automatic Belt Tensioner
    More Info
  • $41.65 MSRP: $68.98
    You Save: $27.33 (40%)
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner
    • Item Dimensions: 8.9 x 5.0 x 3.0 inches
    • Item Weight: 1.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick Regal Serpentine Tensioner
    More Info
  • Dayco No Slack Automatic Belt Tensioner Assembly for Buick Regal - 89288
    $73.19
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 76
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 31
    • UPC: 036687312631
    • Part Description: Buick Regal No Slack Automatic Belt Tensioner Assembly
    More Info
  • Gates Drivealign OE Exact Automatic Belt Tensioner for Buick Regal - 38152
    $71.92
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Thermoplastic
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 76 mm
    • Pulley 1 Flanged: No
    • UPC: 072053525892
    • Width: 25 mm
    • Part Description: Buick Regal Drivealign OE Exact Automatic Belt Tensioner
    More Info
  • $102.05 MSRP: $162.81
    You Save: $60.76 (38%)
    Product Specifications
    • Item Dimensions: 8.3 x 3.1 x 3.2 inches
    • Item Weight: 1.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19431998
    • Part Description: Buick Regal Serpentine Tensioner
    More Info
  • Gates Drivealign OE Exact Automatic Belt Tensioner for Buick Regal - 38365
    $75.67
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 2.99"
    • UPC: 770075281894
    • Width: 31 mm
    • Part Description: Buick Regal Drivealign OE Exact Automatic Belt Tensioner
    More Info
  • $79.28 MSRP: $159.89
    You Save: $80.61 (51%)
    Product Specifications
    • Other Names: Belt Tensioner, Tensioner
    • Item Dimensions: 9.4 x 4.7 x 12.5 inches
    • Item Weight: 4.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick Regal Tensioner Asm-Drive Belt
    More Info
  • Dayco No Slack Automatic Belt Tensioner Assembly for Buick Regal - 89301
    $72.85
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 76
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 31
    • UPC: 036687312686
    • Part Description: Buick Regal No Slack Automatic Belt Tensioner Assembly
    More Info
  • Gates Drivealign OE Exact Automatic Belt Tensioner for Buick Regal - 38289
    $70.96
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Thermoplastic
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 76 mm
    • UPC: 770075157939
    • Width: 25 mm
    • Part Description: Buick Regal Drivealign OE Exact Automatic Belt Tensioner
    More Info
  • $41.88 MSRP: $69.32
    You Save: $27.44 (40%)
    Product Specifications
    • Other Names: Tensioner, Timing Tensioner
    • Item Dimensions: 3.2 x 3.2 x 3.1 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick Regal Timing Tensioner
    More Info
  • Dayco No Slack Automatic Belt Tensioner Assembly for Buick Regal - 89316
    $62.66
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 82
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 22
    • UPC: 036687422989
    • Part Description: Buick Regal No Slack Automatic Belt Tensioner Assembly
    More Info
  • Gates Drivealign OE Exact Automatic Belt Tensioner for Buick Regal - 38177
    $65.88
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 3.23"
    • Pulley 1 Flanged: No
    • UPC: 072053777666
    • Width: 27 mm
    • Part Description: Buick Regal Drivealign OE Exact Automatic Belt Tensioner
    More Info
  • $49.13 MSRP: $81.34
    You Save: $32.21 (40%)
    Product Specifications
    • Other Names: Tensioner
    • Item Dimensions: 5.3 x 2.1 x 2.0 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 24448509, 55352127, 12578209
    • Part Description: Buick Regal Tensioner
    More Info
  • Gates Drivealign OE Exact Automatic Belt Tensioner for Buick Regal - 38105
    $54.29
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Thermoplastic
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 90 mm
    • Pulley 1 Flanged: No
    • UPC: 072053297645
    • Width: 25.5 mm
    • Part Description: Buick Regal Drivealign OE Exact Automatic Belt Tensioner
    More Info
  • $115.09 MSRP: $183.58
    You Save: $68.49 (38%)
    Product Specifications
    • Item Dimensions: 11.3 x 6.4 x 6.5 inches
    • Item Weight: 4.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick Regal Alternator Mount Bracket
    More Info
  • Dayco No Slack Automatic Belt Tensioner Assembly for Buick Regal - 89203
    $45.72
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 90
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 30
    • UPC: 038244912070
    • Part Description: Buick Regal No Slack Automatic Belt Tensioner Assembly
    More Info
  • Gates Drivealign OE Exact Automatic Belt Tensioner for Buick Regal - 39350
    $53.74
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 2.76"
    • Pulley 1 Flanged: No
    • UPC: 770075742999
    • Width: 26
    • Part Description: Buick Regal Drivealign OE Exact Automatic Belt Tensioner
    More Info
  • $54.10 MSRP: $89.55
    You Save: $35.45 (40%)
    Product Specifications
    • Other Names: Tensioner
    • Item Dimensions: 5.0 x 3.6 x 1.7 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick Regal Tensioner
    More Info
  • Gates Drivealign OE Exact Drive Belt Tensioner Assembly for Buick Regal - 39288
    $45.91
    Product Specifications
    • Bearing Bore Inside Diameter 1: 17 mm
    • Contact Surface: Smooth/Backside
    • Material: Steel
    • Number Of Pulleys: 1
    • OE Comparison Rating: OE Exact
    • Outside Diameter: 3.25"
    • Pulley 1 Flanged: No
    • UPC: 770075715498
    • Width: 31 mm
    • Part Description: Buick Regal Drivealign OE Exact Drive Belt Tensioner Assembly
    More Info
  • $79.28 MSRP: $159.89
    You Save: $80.61 (51%)
    Product Specifications
    • Item Dimensions: 10.3 x 6.8 x 5.1 inches
    • Item Weight: 4.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick Regal Tensioner Asm-Drive Belt
    More Info
  • $91.03 MSRP: $150.70
    You Save: $59.67 (40%)
    Product Specifications
    • Item Dimensions: 11.8 x 5.0 x 4.9 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 24507666, 24504828, 24507685
    • Part Description: Buick Regal Serpentine Tensioner
    More Info
  • Dayco No Slack Automatic Belt Tensioner Assembly for Buick Regal - 89249
    $105.12
    Product Specifications
    • Belt Type: Serpentine
    • Direction: Clock Wise
    • Number Of Pulleys: 1
    • Pulley 1 Diameter: 82
    • Pulley 1 Flat: Y
    • Pulley 1 Width: 27
    • UPC: 036687186515
    • Part Description: Buick Regal No Slack Automatic Belt Tensioner Assembly
    More Info
  • $73.58 MSRP: $121.00
    You Save: $47.42 (40%)
    Product Specifications
    • Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
    • Item Dimensions: 6.2 x 4.1 x 4.1 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 24504322, 24507459
    • Part Description: Buick Regal Tensioner Asm-Drive Belt
    More Info
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About Buick Regal Belt Tensioner

The Buick Regal was usually offered as a coupe and sedan. The Buick Regal was the best-selling car in America in 1976. Classic parts like the belt tensioner contribute to the success of the brand. The belt tensioner has four crucial components: a pulley, tensioner arm, spring, and base. The base maintains these components in their place.
Buick Regal offers reliability and practicality to customers. But there will be several problems after the belt tensioner has been used for years. The belt tensioner ensures the belt has the correct tension throughout the belt routing. A belt tensioner should be checked every 50,000-100,000 miles. It is easy to buy needed parts at nearly wholesale prices online. Get impressive services and upkeep here with performance parts including Buick Regal parts.