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2003 GMC Sierra 3500
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OEM (Genuine) 2003 GMC Sierra 3500 Serpentine Tensioner
PartNumber: 12609719
Product Specifications- Notes: 4.8, 5.3 & 6.0 Liter, P/S & Alternator; All Models; 4.8l, 5.3l, 6.0l
- Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
- Item Dimensions: 6.6 x 4.5 x 4.5 inches
- Item Weight: 1.90 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12580162, 12554027
- Part Description: 2003 GMC Sierra 3500 Serpentine Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
$61.34 MSRP:$101.54You Save: $40.20 (40%)
Gates® Drivealign OE Exact Automatic Belt Tensioner for 2003 GMC Sierra 3500
PartNumber: 38260Product Specifications- Bearing Bore Inside Diameter 1: 17 mm
- Contact Surface: V-Ribbed Grooved
- Material: Thermoplastic
- Number of Grooves: 6
- Number Of Pulleys: 1
- OE Comparison Rating: OE Exact
- Outside Diameter: 76 mm
- UPC: 770075142317
- Width: 25 mm
- Part Description: 2003 GMC Sierra 3500 Drivealign OE Exact Automatic Belt Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$64.68
Dayco® No Slack Automatic Belt Tensioner Assembly for 2003 GMC Sierra 3500
PartNumber: 89323Product Specifications- Belt Type: Serpentine
- Direction: Counter Clock Wise
- Number Of Pulleys: 1
- Pulley 1 Diameter: 76
- Pulley 1 Flat: N
- Pulley 1 Number Of Grooves: 6
- Pulley 1 Width: 28.7
- UPC: 036687471642
- Part Description: 2003 GMC Sierra 3500 No Slack Automatic Belt Tensioner Assembly
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$68.68
OEM (Genuine) 2003 GMC Sierra 3500 Serpentine Tensioner
PartNumber: 12580196
Product Specifications- Notes: 4.8, 5.3 & 6.0 Liter, AC Belt
- Other Names: Belt Tensioner, Serpentine Tensioner, Tensioner
- Item Dimensions: 4.8 x 3.1 x 2.7 inches
- Item Weight: 1.10 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12562065, 12565372
- Part Description: 2003 GMC Sierra 3500 Serpentine Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
$55.60 MSRP:$104.91You Save: $49.31 (48%)
Gates® Drivealign OE Exact Automatic Belt Tensioner for 2003 GMC Sierra 3500
PartNumber: 38172Product Specifications- Bearing Bore Inside Diameter 1: 17 mm
- Contact Surface: V-Ribbed Grooved
- Material: Thermoplastic
- Number of Grooves: 6
- Number Of Pulleys: 1
- OE Comparison Rating: OE Exact
- Outside Diameter: 2.76"
- Pulley 1 Flanged: Yes
- UPC: 072053675528
- Width: 24 mm
- Part Description: 2003 GMC Sierra 3500 Drivealign OE Exact Automatic Belt Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.6L
$57.71
Dayco® No Slack Automatic Belt Tensioner Assembly for 2003 GMC Sierra 3500
PartNumber: 89259Product Specifications- Belt Type: Serpentine
- Direction: Clock Wise
- Number Of Pulleys: 1
- Pulley 1 Diameter: 76
- Pulley 1 Flat: N
- Pulley 1 Number Of Grooves: 6
- Pulley 1 Width: 30.1
- UPC: 036687244178
- Part Description: 2003 GMC Sierra 3500 No Slack Automatic Belt Tensioner Assembly
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.6L
$53.88
OEM (Genuine) 2003 GMC Sierra 3500 Serpentine Tensioner
PartNumber: 98094201
Product Specifications- Notes: 6.6 Liter Turbo Diesel; All Models; 6.6l
- Other Names: Belt Tensioner, Serpentine Tensioner
- Item Dimensions: 7.0 x 6.3 x 4.3 inches
- Item Weight: 1.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 97288625, 97329062
- Part Description: 2003 GMC Sierra 3500 Serpentine Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$86.04 MSRP:$142.41You Save: $56.37 (40%)
Gates® Drivealign OE Exact Automatic Belt Tensioner for 2003 GMC Sierra 3500
PartNumber: 38259Product 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: 63 mm
- Pulley 1 Flanged: No
- UPC: 770075168935
- Width: 18 mm
- Part Description: 2003 GMC Sierra 3500 Drivealign OE Exact Automatic Belt Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$40.79
Dayco® No Slack Automatic Belt Tensioner Assembly for 2003 GMC Sierra 3500
PartNumber: 89324Product Specifications- Belt Type: Serpentine
- Direction: Counter Clock Wise
- Number Of Pulleys: 1
- Pulley 1 Diameter: 63
- Pulley 1 Flat: Y
- Pulley 1 Width: 18
- UPC: 036687471703
- Part Description: 2003 GMC Sierra 3500 No Slack Automatic Belt Tensioner Assembly
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$35.56OEM (Genuine) 2003 GMC Sierra 3500 Serpentine Tensioner
PartNumber: 12580828
Product Specifications- Notes: 8.1 Liter Gas, P/S & Alternator; All Models; 8.1l
- Other Names: Belt Tensioner, Serpentine Tensioner
- Item Dimensions: 7.1 x 6.2 x 4.1 inches
- Item Weight: 1.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12554701
- Part Description: 2003 GMC Sierra 3500 Serpentine Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
$55.78 MSRP:$92.34You Save: $36.56 (40%)
Gates® Drivealign OE Exact Automatic Belt Tensioner for 2003 GMC Sierra 3500
PartNumber: 38158Product Specifications- Bearing Bore Inside Diameter 1: 17 mm
- Contact Surface: V-Ribbed Grooved
- Material: Thermoplastic
- Number of Grooves: 6
- Number Of Pulleys: 1
- OE Comparison Rating: OE Exact
- Outside Diameter: 2.99"
- UPC: 072053674859
- Width: 25 mm
- Part Description: 2003 GMC Sierra 3500 Drivealign OE Exact Automatic Belt Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
$36.87
Dayco® No Slack Automatic Belt Tensioner Assembly for 2003 GMC Sierra 3500
PartNumber: 89253Product Specifications- Notes: For Serpentine Belt
- Belt Type: Serpentine
- Direction: Counter Clock Wise
- Number Of Pulleys: 1
- Pulley 1 Diameter: 76
- Pulley 1 Flat: N
- Pulley 1 Number Of Grooves: 6
- Pulley 1 Width: 28.7
- UPC: 036687244154
- Part Description: 2003 GMC Sierra 3500 No Slack Automatic Belt Tensioner Assembly
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
$35.50
OEM (Genuine) 2003 GMC Sierra 3500 Belt Tensioner
PartNumber: 12581177
Product Specifications- Notes: 8.1 Liter Gas, AC Belt
- Other Names: Belt Tensioner
- Item Dimensions: 7.4 x 4.2 x 4.2 inches
- Item Weight: 1.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12554700
- Part Description: 2003 GMC Sierra 3500 Belt Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
$63.58 MSRP:$119.98You Save: $56.40 (48%)
Gates® Drivealign OE Exact Automatic Belt Tensioner for 2003 GMC Sierra 3500
PartNumber: 38159Product Specifications- Bearing Bore Inside Diameter 1: 12 mm
- Contact Surface: Smooth/Backside
- Material: Steel
- Number Of Pulleys: 1
- OE Comparison Rating: OE Exact
- Outside Diameter: 2.36"
- Pulley 1 Flanged: No
- UPC: 072053674927
- Width: 21 mm
- Part Description: 2003 GMC Sierra 3500 Drivealign OE Exact Automatic Belt Tensioner
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
$34.31
Dayco® No Slack Automatic Belt Tensioner Assembly for 2003 GMC Sierra 3500
PartNumber: 89258Product Specifications- Notes: For Compressor Belt, WARNING SEE TECH BULLETIN
- Belt Type: Serpentine
- Direction: Clock Wise
- Number Of Pulleys: 1
- Pulley 1 Diameter: 60
- Pulley 1 Flat: Y
- Pulley 1 Width: 20
- UPC: 036687244161
- Part Description: 2003 GMC Sierra 3500 No Slack Automatic Belt Tensioner Assembly
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
$32.35
FAQ for Belt Tensioner Repair
Q: How to install the drive belt tensioner-accessory?
A:
You can install the drive belt tensioner, the drive belt tensioner bolts, and the accessory drive belt.
By Bob
GM Specialist
29/10/2022Q: What is the installation procedure for the drive belt tensioner-air conditioning?
A:
You can install the A/C belt tensioner, the A/C belt tensioner bolts, and the A/C drive belt.
By Bob
GM Specialist
29/10/2022Q: How to remove the drive belt tensioner-accessory?
A:
You can remove the accessory drive belt, the drive belt tensioner bolts, and the drive belt tensioner.
By Bob
GM Specialist
29/10/2022Q: What is the removal procedure for the drive belt tensioner-air conditioning?
A:
The procedure is to remove the air conditioning (A/C) drive belt, the A/C belt tensioner bolts, and the A/C belt tensioner.
By Bob
GM Specialist
29/10/2022