Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
Replacement and OEM Parts for 2008 Chevrolet Express 2500 Serpentine Belt

2008 Chevrolet Express 2500 Serpentine Belt

My Vehicle Change Vehicle
2008 Chevrolet Express 2500
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Timing Belts, Chains, Cams & Related Parts
  • Department
  • Brands
  • Prices

27 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2008 Chevrolet Express 2500 AC Belt

    PartNumber: 12576447
    OEM 2008 Chevrolet Express 2500 AC Belt - 12576447
    Product Specifications
    • Notes: 4.8, 5.3, & 6.0 Liter; Express, Savana; 4.8l;Express, Savana; 6.0l
    • Other Names: AC Belt, Serpentine Belt
    • Item Dimensions: 9.1 x 3.6 x 0.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12554028, 12569346
    • Part Description: 2008 Chevrolet Express 2500 AC Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $22.66 MSRP: $41.04
    You Save: $18.38 (45%)
  • Gates Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2008 Chevrolet Express 2500 - K061187HD

    Gates® Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2008 Chevrolet Express 2500

    PartNumber: K061187HD
    Product Specifications
    • Notes: W/Single Alt.
    • Effective Length: 3016 mm
    • OE Comparison Rating: OE Improved
    • Outside Circumference: 3030 mm
    • Rib Quantity: 6
    • Section: K
    • Top Width: 0.807"
    • UPC: 770075241706
    • Part Description: 2008 Chevrolet Express 2500 Fleetrunner Micro V Heavy Duty V Ribbed Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.6L
    $43.66
  • OEM (Genuine) 2008 Chevrolet Express 2500 Belt

    PartNumber: 12637204
    OEM 2008 Chevrolet Express 2500 Belt - 12637204
    Product Specifications
    • Notes: 4.8, 5.3, & 6.0 Liter, 145 Amp; Express, Savana; 4.8l; 145 Amp Alt;Express, Savana; 6.0l; 145 Amp Alt
    • Other Names: Belt, Drive Belt, Serpentine Belt
    • Item Dimensions: 23.2 x 3.3 x 0.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12557501, 12569348, 12576451
    • Part Description: 2008 Chevrolet Express 2500 Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $50.46 MSRP: $91.36
    You Save: $40.90 (45%)
  • Dayco Serpentine Belt Kit for 2008 Chevrolet Express 2500 - 5040378K1

    Dayco® Serpentine Belt Kit for 2008 Chevrolet Express 2500

    PartNumber: 5040378K1
    Product Specifications
    • Notes: Incls: Serpentine Belt & Tensioner
    • UPC: 036687907325
    • Part Description: 2008 Chevrolet Express 2500 Serpentine Belt Kit
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $46.71
  • BANDO Rib Ace™ V-Ribbed Serpentine Belt for 2008 Chevrolet Express 2500 - 6PK2365

    BANDO® Rib Ace™ V-Ribbed Serpentine Belt for 2008 Chevrolet Express 2500

    PartNumber: 6PK2365
    Product Specifications
    • Notes: w/145A ALT; OE: 12576451
    • Effective Length: 93.1"
    • Inch Number: 931K6
    • Rib Quantity: 6
    • Top Width: 0.84"
    • UPC: 649717251093
    • Part Description: 2008 Chevrolet Express 2500 Rib Ace™ V-Ribbed Serpentine Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $22.80
  • Gates Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2008 Chevrolet Express 2500 - K060930HD

    Gates® Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2008 Chevrolet Express 2500

    PartNumber: K060930HD
    Product Specifications
    • Notes: W/145A. Alt.
    • Effective Length: 93.02"
    • OE Comparison Rating: OE Improved
    • Outside Circumference: 93.585"
    • Rib Quantity: 6
    • Section: K
    • Top Width: 0.807"
    • UPC: 770075241522
    • Part Description: 2008 Chevrolet Express 2500 Fleetrunner Micro V Heavy Duty V Ribbed Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $43.73
  • OEM (Genuine) 2008 Chevrolet Express 2500 Belt

    PartNumber: 12637202
    OEM 2008 Chevrolet Express 2500 Belt - 12637202
    Product Specifications
    • Notes: 4.8, 5.3, & 6.0 Liter, 105 Amp; Express, Savana; 4.8l; 105 Amp Alt;Express, Savana; 6.0l; 105 Amp Alt
    • Other Names: Belt, Drive Belt, Serpentine Belt
    • Item Dimensions: 12.1 x 4.2 x 1.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10105314, 12550608, 12569347, 24505041, 12554029, 12576450
    • Part Description: 2008 Chevrolet Express 2500 Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $52.08 MSRP: $94.30
    You Save: $42.22 (45%)
  • Dayco Poly Rib Serpentine Belt for 2008 Chevrolet Express 2500 - 5061185

    Dayco® Poly Rib Serpentine Belt for 2008 Chevrolet Express 2500

    PartNumber: 5061185
    Product Specifications
    • Notes: Single Alt.
    • Color: Black
    • Cross Section: K-Section
    • Effective Length: 118.50; 3009.90
    • Material: EPDM, Aramid Reinforced
    • Maximum Operating Temperature: 100; 212
    • Minimum Operating Temperature: -42.7; -45
    • Outside Circumference: 119.16; 3026.67
    • Rib Depth: Standard
    • Rib Profile: W Profile
    • Rib Quantity: 6
    • Standards: SAE J1459, SAE J2432
    • Top Width: .82
    • UPC: 036687294388
    • Part Description: 2008 Chevrolet Express 2500 Poly Rib Serpentine Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.6L
    $35.67
  • BANDO Rib Ace™ V-Ribbed Serpentine Belt for 2008 Chevrolet Express 2500 - 6PK2345

    BANDO® Rib Ace™ V-Ribbed Serpentine Belt for 2008 Chevrolet Express 2500

    PartNumber: 6PK2345
    Product Specifications
    • Notes: w/105A ALT; OE: 12576450
    • Effective Length: 92.3"
    • Inch Number: 923K6
    • Rib Quantity: 6
    • Top Width: 0.84"
    • UPC: 649717003395
    • Part Description: 2008 Chevrolet Express 2500 Rib Ace™ V-Ribbed Serpentine Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $22.59
  • Gates Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2008 Chevrolet Express 2500 - K060923HD

    Gates® Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2008 Chevrolet Express 2500

    PartNumber: K060923HD
    Product Specifications
    • Notes: W/105A. Alt.
    • Effective Length: 92.34"
    • OE Comparison Rating: OE Improved
    • Outside Circumference: 2360 mm
    • Rib Quantity: 6
    • Section: K
    • Top Width: 0.807"
    • UPC: 770075241430
    • Part Description: 2008 Chevrolet Express 2500 Fleetrunner Micro V Heavy Duty V Ribbed Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $43.62
  • OEM (Genuine) 2008 Chevrolet Express 2500 Serpentine Belt

    PartNumber: 12642433
    OEM 2008 Chevrolet Express 2500 Serpentine Belt - 12642433
    Product Specifications
    • Notes: 6.6 Liter Diesel, W/O Dual Alternators; Express, Savana; 6.6l Diesel; W/O Dual Alternators; Lmm Engine
    • Other Names: Serpentine Belt
    • Item Dimensions: 6.1 x 3.4 x 0.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 98035630, 97300654
    • Part Description: 2008 Chevrolet Express 2500 Serpentine Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 6.6 L DIESEL
    $47.13 MSRP: $85.32
    You Save: $38.19 (45%)
  • Dayco Poly Rib Serpentine Belt for 2008 Chevrolet Express 2500 - 5060930

    Dayco® Poly Rib Serpentine Belt for 2008 Chevrolet Express 2500

    PartNumber: 5060930
    Product Specifications
    • Notes: w/145 Amp Alt., w/AC
    • Color: Black
    • Cross Section: K-Section
    • Effective Length: 2362.20; 93.00
    • Material: EPDM, Aramid Reinforced
    • Maximum Operating Temperature: 100; 212
    • Minimum Operating Temperature: -42.7; -45
    • Outside Circumference: 2376.43; 93.56
    • Rib Depth: Standard
    • Rib Profile: W Profile
    • Rib Quantity: 6
    • Standards: SAE J1459, SAE J2432
    • Top Width: .82
    • UPC: 038244096268
    • Part Description: 2008 Chevrolet Express 2500 Poly Rib Serpentine Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $34.31
  • BANDO Rib Ace™ V-Ribbed Serpentine Belt for 2008 Chevrolet Express 2500 - 4PK960

    BANDO® Rib Ace™ V-Ribbed Serpentine Belt for 2008 Chevrolet Express 2500

    PartNumber: 4PK960
    Product Specifications
    • Notes: OE: 12576447
    • Effective Length: 37.8"
    • Inch Number: 378K4
    • Rib Quantity: 4
    • Top Width: 0.56"
    • UPC: 649717001018
    • Part Description: 2008 Chevrolet Express 2500 Rib Ace™ V-Ribbed Serpentine Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $7.96
  • Gates Micro V V Ribbed Belt for 2008 Chevrolet Express 2500 - K060930

    Gates® Micro V V Ribbed Belt for 2008 Chevrolet Express 2500

    PartNumber: K060930
    Product Specifications
    • Notes: W/145A. Alt.
    • OE Comparison Rating: OE Performance
    • Outside Circumference: 93.585"
    • Rib Quantity: 6
    • Section: K
    • Top Width: 20 mm
    • UPC: 072053009583
    • Part Description: 2008 Chevrolet Express 2500 Micro V V Ribbed Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $34.54
  • Dayco Poly Rib Serpentine Belt for 2008 Chevrolet Express 2500 - 5060923

    Dayco® Poly Rib Serpentine Belt for 2008 Chevrolet Express 2500

    PartNumber: 5060923
    Product Specifications
    • Notes: w/105 Amp Alt., w/AC
    • Color: Black
    • Cross Section: K-Section
    • Effective Length: 2344.93; 92.32
    • Material: EPDM, Aramid Reinforced
    • Maximum Operating Temperature: 100; 212
    • Minimum Operating Temperature: -42.7; -45
    • Outside Circumference: 2359.16; 92.88
    • Rib Depth: Standard
    • Rib Profile: W Profile
    • Rib Quantity: 6
    • Standards: SAE J1459, SAE J2432
    • Top Width: .82
    • UPC: 038244096251
    • Part Description: 2008 Chevrolet Express 2500 Poly Rib Serpentine Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $33.19
  • OEM (Genuine) 2008 Chevrolet Express 2500 Serpentine Belt

    PartNumber: 97300657
    OEM 2008 Chevrolet Express 2500 Serpentine Belt - 97300657
    Product Specifications
    • Notes: 6.6 Liter Diesel, W/Dual Alternators; Express, Savana; 6.6l Diesel; W/Dual Alternators; Lmm Engine
    • Other Names: Serpentine Belt
    • Item Dimensions: 6.1 x 2.1 x 16.3 inches
    • Item Weight: 0.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2008 Chevrolet Express 2500 Serpentine Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 6.6 L DIESEL
    $60.18 MSRP: $108.95
    You Save: $48.77 (45%)
  • Gates Micro V V Ribbed Belt for 2008 Chevrolet Express 2500 - K060923

    Gates® Micro V V Ribbed Belt for 2008 Chevrolet Express 2500

    PartNumber: K060923
    Product Specifications
    • Notes: W/105A. Alt.
    • OE Comparison Rating: OE Performance
    • Outside Circumference: 92.9"
    • Rib Quantity: 6
    • Section: K
    • Top Width: 0.807"
    • UPC: 072053009569
    • Part Description: 2008 Chevrolet Express 2500 Micro V V Ribbed Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $34.50
  • Dayco Poly Rib Serpentine Belt for 2008 Chevrolet Express 2500 - 5040378

    Dayco® Poly Rib Serpentine Belt for 2008 Chevrolet Express 2500

    PartNumber: 5040378
    Product Specifications
    • Color: Black
    • Cross Section: K-Section
    • Effective Length: 37.80; 960.12
    • Material: EPDM, Aramid Reinforced
    • Maximum Operating Temperature: 100; 212
    • Minimum Operating Temperature: -42.7; -45
    • Outside Circumference: 38.46; 976.89
    • Rib Depth: Standard
    • Rib Profile: W Profile
    • Rib Quantity: 4
    • Standards: SAE J1459, SAE J2432
    • Top Width: .54
    • UPC: 038244122837
    • Part Description: 2008 Chevrolet Express 2500 Poly Rib Serpentine Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $20.88
  • Gates Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2008 Chevrolet Express 2500 - K040378HD

    Gates® Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2008 Chevrolet Express 2500

    PartNumber: K040378HD
    Product Specifications
    • Effective Length: 962 mm
    • OE Comparison Rating: OE Improved
    • Outside Circumference: 978 mm
    • Rib Quantity: 4
    • Section: K
    • Top Width: 14 mm
    • UPC: 770075223535
    • Part Description: 2008 Chevrolet Express 2500 Fleetrunner Micro V Heavy Duty V Ribbed Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $29.87
  • Gates Micro V V Ribbed Belt for 2008 Chevrolet Express 2500 - K040378

    Gates® Micro V V Ribbed Belt for 2008 Chevrolet Express 2500

    PartNumber: K040378
    Product Specifications
    • OE Comparison Rating: OE Performance
    • Outside Circumference: 978 mm
    • Rib Quantity: 4
    • Section: K
    • Top Width: 0.56"
    • UPC: 072053008258
    • Part Description: 2008 Chevrolet Express 2500 Micro V V Ribbed Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $23.89
  • Dayco Poly Rib Serpentine Belt for 2008 Chevrolet Express 2500 - 5061370

    Dayco® Poly Rib Serpentine Belt for 2008 Chevrolet Express 2500

    PartNumber: 5061370
    Product Specifications
    • Notes: Dual Alt.
    • Color: Black
    • Cross Section: K-Section
    • Effective Length: 137.00; 3479.80
    • Material: EPDM, Aramid Reinforced
    • Maximum Operating Temperature: 100; 212
    • Minimum Operating Temperature: -42.7; -45
    • Outside Circumference: 137.66; 3496.57
    • Rib Depth: Standard
    • Rib Profile: W Profile
    • Rib Quantity: 6
    • Standards: SAE J1459, SAE J2432
    • Top Width: .82
    • UPC: 036687513472
    • Part Description: 2008 Chevrolet Express 2500 Poly Rib Serpentine Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.6L
    $41.33
  • Dayco Demanding Drive Kit for 2008 Chevrolet Express 2500 - D60923K1

    Dayco® Demanding Drive Kit for 2008 Chevrolet Express 2500

    PartNumber: D60923K1
    Product Specifications
    • Notes: Incls: Serpentine Belt, Pulley & Tensioner; w/105 Amp Alt., w/AC
    • UPC: 036687884695
    • Part Description: 2008 Chevrolet Express 2500 Demanding Drive Kit
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    $68.63
  • Gates Micro V V Ribbed Belt for 2008 Chevrolet Express 2500 - K061187

    Gates® Micro V V Ribbed Belt for 2008 Chevrolet Express 2500

    PartNumber: K061187
    Product Specifications
    • Notes: W/Single Alt.
    • OE Comparison Rating: OE Performance
    • Outside Circumference: 119.31"
    • Rib Quantity: 6
    • Section: K
    • Top Width: 20 mm
    • UPC: 072053683066
    • Part Description: 2008 Chevrolet Express 2500 Micro V V Ribbed Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.6L
    $34.52
  • Dayco Demanding Drive Kit for 2008 Chevrolet Express 2500 - D60930K1

    Dayco® Demanding Drive Kit for 2008 Chevrolet Express 2500

    PartNumber: D60930K1
    Product Specifications
    • Notes: Incls: Serpentine Belt, Pulley & Tensioner; w/145 Amp Alt., w/AC
    • UPC: 036687884701
    • Part Description: 2008 Chevrolet Express 2500 Demanding Drive Kit
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.0L
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 4.8L
    $73.78
  • Gates Micro V V Ribbed Belt for 2008 Chevrolet Express 2500 - K061369

    Gates® Micro V V Ribbed Belt for 2008 Chevrolet Express 2500

    PartNumber: K061369
    Product Specifications
    • Notes: W/Dual Alts.
    • OE Comparison Rating: OE Performance
    • Outside Circumference: 137.5"
    • Rib Quantity: 6
    • Section: K
    • Top Width: 0.807"
    • UPC: 770075421696
    • Part Description: 2008 Chevrolet Express 2500 Micro V V Ribbed Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.6L
    $50.29
  • Gates Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2008 Chevrolet Express 2500 - K061369HD

    Gates® Fleetrunner Micro V Heavy Duty V Ribbed Belt for 2008 Chevrolet Express 2500

    PartNumber: K061369HD
    Product Specifications
    • Notes: W/Dual Alts.
    • Effective Length: 136.93"
    • OE Comparison Rating: OE Improved
    • Outside Circumference: 137.52"
    • Rib Quantity: 6
    • Section: K
    • Top Width: 0.807"
    • UPC: 770075623496
    • Part Description: 2008 Chevrolet Express 2500 Fleetrunner Micro V Heavy Duty V Ribbed Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.6L
    $61.34
  • Gates Rpm Micro V V Ribbed Belt for 2008 Chevrolet Express 2500 - K061187RPM

    Gates® Rpm Micro V V Ribbed Belt for 2008 Chevrolet Express 2500

    PartNumber: K061187RPM
    Product Specifications
    • Notes: w/Single Alt; Black
    • Belt Material: EPDM
    • Color: Black
    • Cord Material: Aramid
    • OE Comparison Rating: Built for Performance
    • Outside Circumference: 119.31; 3030
    • Rib Quantity: 6
    • Section: K
    • Top Width: .807; 20
    • UPC: 770075712732
    • Part Description: 2008 Chevrolet Express 2500 Rpm Micro V V Ribbed Belt
    More Info
    Vehicle Fitment
    • 2008 Chevrolet Express 2500 | All Trims | 8 Cyl 6.6L