-28%

Tuff Stuff 7140BBULL6G Alternator, 140 AMP, OEM Or 1 Wire

-28%

#7457140BU6G

Tuff Stuff 7140BBULL6G Alternator, 140 AMP, OEM Or 1 Wire

140 Amp Output, 1-Wire Or OEM Wire Hookup
Fits Select 1968-1987 Chevy, GMC, Oldsmobile, Pontiac, Buick & Other Vehicles Incl. 1968-85 Oldsmobile Delta 88; 1973-87 Chevy Monte Carlo - See Vehicle Fitment
6 Groove Pulley, 4.85 in. Case Depth

$246.99

/each

Factory Shipped

$343.92

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Product Summary

One Wire Alternator, 140 amp Alternator Amperage

140 Amp Output, 1-Wire Or OEM Wire Hookup
Fits Select 1968-1987 Chevy, GMC, Oldsmobile, Pontiac, Buick & Other Vehicles Incl. 1968-85 Oldsmobile Delta 88; 1973-87 Chevy Monte Carlo - See Vehicle Fitment
6 Groove Pulley, 4.85 in. Case Depth
Lower Mount Boss 2 in. Long
Polished Finish

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Key Specs

MFG. Part #	7140BBULL6G
One Wire Alternator	Yes
Alternator Amperage	140 amp
Alternator Finish	Polished
Pulley Style	6 Groove Pulley

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Tuff Stuff 7140BBULL6G Details

All Tuff Stuff alternators are hand built in Cleveland, Ohio and are tested to meet or exceed OEM specifications. All Tuff Stuff alternators are made from 100% new components and carry a one year limited warranty. Tuff Stuff has alternator applications for virtually all muscle cars, hot rods, customs and light trucks in just about every finish imaginable. Available in chrome plated, polished aluminum, powder coated and plain as cast finishes. All alternators are for 12 volt, negative ground systems, except where noted.

Features:

Heavy Duty Copper Wound Coils
Spike Resistant Diodes
Provides Charging At Low RPMs
Case Depth Is 4.36 in. And Lower Mount Boss Is 2 in. Long
Meets Or Exceeds OEM Specifications
100% New Components
One Year Limited Warranty

Vehicle Fitment:

1973-1975 Buick Apollo: 4.1L L6 250 (1973-1974), 4.3L V8 260 (1975), 5.7L V8 350
1975-1986 Buick Century: 2.5L L4 151 (1982-1986), 3.0L V6 181 (1983-1985), 3.2L V6 196 (1978-1979), 3.8L V6 231 (1975-1981, 1984-1985), 4.4L V8 267 (1981), 5.0L V8 305 (1977-1981), 5.7L V8 350 (1977-1979, 1981), 6.6L V8 403 (1977)
1977-1984 Buick Electra: 4.1L V6 252 (1980-1984), 5.7L V8 350 (1977-1983), 6.6L V8 403 (1977-1979)
1977-1979 Buick Estate Wagon: 5.7L V8 350, 6.6L V8 403
1976-1985 Buick LeSabre: 3.8L V6 231, 4.1L V6 252 (1980-1983), 4.4L V8 267 (1982), 5.0L V8 307 (1983), 5.0L V8 305 (1978), 5.7L V8 350 (1977-1983), 6.6L V8 403 (1977-1978)
1975-1987 Buick Regal: 3.2L V6 196 (1978-1979), 3.8L V6 231, 4.1L V6 252 (1982-1983), 4.4L V8 267 (1981-1982), 5.0L V8 305 (1977-1980, 1982-1985), 5.7L V8 350 (1977, 1981-1982)
1977-1980 Buick Riviera: 3.8L V6 231 (1979-1980), 5.7L V8 350 (1979-1980), 6.6L V8 403 (1977-1978)
1975-1979 Buick Skyhawk: 3.8L V6 231
1975-1985 Buick Skylark: 2.5L L4 151 (1980-1985), 2.8L V6 173 (1983-1984), 3.8L V6 231 (1975-1979), 4.3L V8 260 (1975-1976), 5.0L V8 305 (1977-1979), 5.7L V8 350 (1977-1979)
1985 Chevy Astro: 2.5L L4 151
1972-1975, 1981 Chevy Bel Air: 4.4L V8 267 (1981), 5.0L V8 305 (1981), 5.7L V8 350 (1972-1975), 6.6L V8 400 (1973-1975), 7.4L V8 454 (1973-1975)
1973-1974 Chevy Blazer: 5.0L V8 307 (1973), 5.7L V8 350, 7.4L V8 454 (1973)
1973-1974 Chevy C10 Pickup: 5.7L V8 350, 7.4L V8 454
1973-1974 Chevy C20 Pickup: 5.7L V8 350, 7.4L V8 454
1973-1985 Chevy C20 Suburban: 5.0L V8 305 (1977-1979, 1981-1985), 5.7L V8 350, 6.6L V8 400 (1976-1980), 7.4L V8 454
1973-1974 Chevy C30 Pickup: 5.7L V8 350, 7.4L V8 454
1973-1983 Chevy Camaro: 2.5L L4 151 (1982-1983), 3.8L V6 229 (1980-1981), 3.8L V6 231 (1980-1981), 4.1L L6 250 (1973-1975), 4.4L V8 267 (1980-1981), 5.0L V8 305 (1976-1983), 5.0L V8 307 (1973), 5.7L V8 350 (1973-1981)
1973-1985 Chevy Caprice: 3.8L V6 231 (1980-1985), 3.8L V6 229 (1980-1984), 4.4L V8 267 (1980-1982), 5.0L V8 305 (1977-1982), 5.7L V8 350 (1973-1983), 6.6L V8 400 (1973-1976), 7.4L V8 454 (1973-1976)
1982-1986 Chevy Celebrity: 2.5L L4 151
1973-1977 Chevy Chevelle: 5.0L V8 305 (1976-1977), 5.0L V8 307 (1973), 5.7L V8 350, 6.6L V8 400 (1974-1976), 7.4L V8 454 (1973-1975)
1980-1983 Chevy Citation: 2.5L L4 151
1973-1984 Chevy El Camino: 3.8L V6 229 (1980-1984), 3.8L V6 231 (1978-1984), 4.4L V8 267 (1979-1982), 5.0L V8 305 (1976-1983), 5.0L V8 307 (1973), 5.7L V8 350 (1973-1979, 1983), 6.6L V8 400 (1973-1976), 7.4L V8 454 (1973-1974)
1973-1974 Chevy G10 Van: 5.0L V8 307 (1973), 5.7L V8 350, 7.4L V8 454 (1974)
1973-1974 Chevy G20 Van: 5.0L V8 307 (1973), 5.7L V8 350, 7.4L V8 454 (1974)
1973-1974 Chevy G30 Van: 5.7L V8 350, 7.4L V8 454 (1974)
1972-1985 Chevy Impala: 3.8L V6 231 (1980-1985), 3.8L V6 229 (1980-1984), 4.4L V8 267 (1980-1982), 5.0L V8 305 (1977-1982), 5.7L V8 350 (1972-1984), 6.6L V8 400 (1973-1976), 7.4L V8 454 (1973-1976)
1973-1974 Chevy K10 Pickup: 5.7L V8 350, 7.4L V8 454
1973-1985 Chevy K10 Suburban: 5.0L V8 305 (1977-1979, 1981, 1983), 5.7L V8 350, 6.6L V8 400 (1975-1979), 7.4L V8 454 (1973-1974)
1973-1974 Chevy K20 Pickup: 5.7L V8 350, 7.4L V8 454
1973-1985 Chevy K20 Suburban: 5.0L V8 305 (1977-1978, 1985), 5.7L V8 350, 6.6L V8 400 (1975-1980), 7.4L V8 454 (1973-1974, 1985)
1973-1974 Chevy K30 Pickup: 5.7L V8 350, 7.4L V8 454
1975-1985 Chevy K5 Blazer: 5.0L V8 305 (1977-1985), 5.7L V8 350, 6.6L V8 400 (1975-1979), 7.4L V8 454 (1976-1978)
1978-1983 Chevy Malibu: 3.8L V6 229 (1980-1983), 3.8L V6 231, 4.4L V8 267 (1979-1982), 5.0L V8 305, 5.7L V8 350
1973-1987 Chevy Monte Carlo: 3.8L V6 231 (1978-1987), 3.8L V6 229 (1980-1984), 4.4L V8 267 (1979-1982), 5.0L V8 305 (1976-1983), 5.7L V8 350 (1973-1977, 1982-1983), 6.6L V8 400 (1973-1976), 7.4L V8 454 (1973-1975)
1975, 1977-1980 Chevy Monza: 2.5L L4 151 (1978-1980), 3.2L V6 196 (1978-1979), 3.8L V6 231 (1978-1979), 4.3L V8 262 (1975), 5.0L V8 305 (1977-1979)
1973-1979 Chevy Nova: 4.1L L6 250 (1975), 4.3L V8 262 (1975), 5.0L V8 305 (1976-1979), 5.0L V8 307 (1973), 5.7L V8 350
1973 Chevy P10 Van: 5.7L V8 350, 7.4L V8 454
1973-1974 Chevy P20 Van: 5.7L V8 350, 7.4L V8 454 (1973)
1973-1974 Chevy P30 Van: 5.7L V8 350, 7.4L V8 454
1982, 1985-1986 Chevy S10: 2.5L L4 151 (1985-1986), 2.8L V6 173 (1982)
1975-1978 GMC C15 Suburban: 5.0L V8 305 (1977-1978), 5.7L V8 350, 7.4L V8 454
1973-1974 GMC C15/C1500 Pickup: 5.7L V8 350, 7.4L V8 454
1973-1974 GMC C15/C1500 Suburban: 5.7L V8 350, 7.4L V8 454
1980, 1984-1985 GMC C1500: 5.0L V8 305 (1984-1985), 5.7L V8 350, 6.6L V8 400 (1980), 7.4L V8 454 (1980)
1979-1985 GMC C1500 Suburban: 5.0L V8 305 (1979, 1981-1985), 5.7L V8 350, 7.4L V8 454 (1979-1980)
1977-1978 GMC C25 Suburban: 5.0L V8 305
1973-1974 GMC C25/C2500 Pickup: 5.7L V8 350, 7.4L V8 454
1973-1974 GMC C25/C2500 Suburban: 5.7L V8 350, 7.4L V8 454
1979-1985 GMC C2500: 5.0L V8 305 (1980-1985), 5.7L V8 350, 6.6L V8 400 (1979), 7.4L V8 454
1979-1985 GMC C2500 Suburban: 5.0L V8 305 (1982-1985), 5.7L V8 350, 6.6L V8 400 (1980), 7.4L V8 454
1973-1974 GMC C35/C3500 Pickup: 5.7L V8 350, 7.4L V8 454
1979-1985 GMC C3500: 5.7L V8 350, 6.6L V8 400 (1979), 7.4L V8 454
1978-1984 GMC Caballero: 3.8L V6 229 (1980-1984), 3.8L V6 231, 4.4L V8 267 (1979-1982), 5.0L V8 305 (1978-1983), 5.7L V8 350 (1978-1979, 1983)
1973-1974 GMC G15/G1500 Van: 5.0L V8 307 (1973), 5.7L V8 350
1973-1974 GMC G25/G2500 Van: 5.0L V8 307 (1973), 5.7L V8 350
1973 GMC G35/G3500 Van: 5.0L V8 307, 5.7L V8 350
1973-1985 GMC Jimmy: 5.0L V8 305 (1977-1985), 5.7L V8 350, 6.6L V8 400 (1975-1979), 7.4L V8 454 (1973-1974, 1976)
1975-1978 GMC K15 Suburban: 5.0L V8 305 (1977-1978), 5.7L V8 350 (1976-1978), 6.6L V8 400
1973-1974 GMC K15/K1500 Pickup: 5.7L V8 350, 7.4L V8 454
1973-1974 GMC K15/K1500 Suburban: 5.7L V8 350, 7.4L V8 454
1979-1985 GMC K1500 Suburban: 5.0L V8 305 (1979, 1982), 5.7L V8 350, 6.6L V8 400 (1979-1980)
1975-1978 GMC K25 Suburban: 5.0L V8 305 (1977-1978), 5.7L V8 350, 6.6L V8 400, 7.4L V8 454 (1976-1977)
1973-1974 GMC K25/K2500 Pickup: 5.7L V8 350, 7.4L V8 454
1973-1974 GMC K25/K2500 Suburban: 5.7L V8 350, 7.4L V8 454
1979-1985 GMC K2500 Suburban: 5.7L V8 350, 6.6L V8 400 (1979-1980)
1973-1974 GMC K35/K3500 Pickup: 5.7L V8 350, 7.4L V8 454
1979 GMC P15/P1500 Van: 7.4L V8 454
1973-1974 GMC P25/P2500 Van: 5.7L V8 350
1973-1974 GMC P35/P3500 Van: 5.7L V8 350, 7.4L V8 454
1982, 1985-1986 GMC S15: 2.5L L4 151 (1985-1986), 2.8L V6 173 (1982)
1985 GMC Safari: 2.5L L4 151
1971-1977 GMC Sprint: 5.0L V8 305 (1976-1977), 5.0L V8 307 (1973), 5.7L V8 350, 6.6L V8 400 (1974-1976), 6.6L V8 402 (1974-1975), 7.4L V8 454 (1973-1975)
1980-1982 Jeep CJ5: 4.2L L6 258
1980-1982 Jeep CJ7: 4.2L L6 258
1980-1982 Jeep Cherokee: 4.2L L6 258
1981-1982 Jeep J10: 4.2L L6 258
1981-1982 Jeep Scrambler: 4.2L L6 258
1980-1982 Jeep Wagoneer: 4.2L L6 258
1973-1983 Oldsmobile 98: 4.1L V6 252 (1981-1983), 5.0L V8 307 (1980-1983), 5.7L V8 350 (1977-1983), 6.6L V8 403 (1977-1979), 6.6L V8 400 (1975), 7.5L V8 455 (1973-1976)
1971-1983 Oldsmobile Custom Cruiser: 5.0L V8 307 (1980-1983), 5.7L V8 350 (1977-1983), 6.6L V8 403 (1977-1979), 7.5L V8 455 (1971-1976)
1970-1981, 1985-1987 Oldsmobile Cutlass: 3.8L V6 231 (1977-1981), 4.3L V8 260 (1975-1981), 4.4L V8 267 (1981), 5.0L V8 305 (1978-1980, 1985-1987), 5.7L V8 350 (1973-1981), 6.6L V8 403 (1977), 7.5L V8 455 (1970-1976)
1978-1984 Oldsmobile Cutlass Calais: 3.8L V6 231, 4.3L V8 260 (1978-1981), 4.4L V8 267 (1982), 5.0L V8 305 (1978-1980, 1984), 5.0L V8 307 (1982-1984), 5.7L V8 350 (1979-1983)
1982-1986 Oldsmobile Cutlass Ciera: 2.5L L4 151, 3.0L V6 181 (1982-1985), 3.8L V6 231 (1984-1985)
1968-1985 Oldsmobile Delta 88: 3.8L V6 231 (1977-1985), 4.3L V8 260 (1977-1982), 4.4L V8 267 (1981-1982), 5.0L V8 307 (1980-1983), 5.7L V8 350 (1968-1983), 6.6L V8 403 (1977-1979), 7.5L V8 455 (1969-1976)
1974-1984 Oldsmobile Omega: 2.5L L4 151 (1980-1984), 2.8L V6 173 (1983-1984), 3.8L V6 231 (1977-1979), 4.1L L6 250 (1974), 4.3L V8 260 (1975-1977), 5.0L V8 305 (1977-1979), 5.7L V8 350 (1974-1979)
1975-1980 Oldsmobile Starfire: 2.5L L4 151 (1978-1980), 3.8L V6 231 (1975-1979), 5.0L V8 305 (1977-1979)
1968-1982 Oldsmobile Toronado: 4.1L V6 252 (1982), 5.0L V8 307 (1980-1982), 5.7L V8 350 (1979-1982), 6.6L V8 403 (1977-1978), 7.5L V8 455 (1968-1976)
1968-1975 Oldsmobile Vista Cruiser: 5.7L V8 350, 7.5L V8 455 (1970-1975)
1982-1986 Pontiac 6000: 2.5L L4 151
1977 Pontiac Astre: 2.5L L4 151
1977-1986 Pontiac Bonneville: 3.8L V6 231 (1980-1986), 4.1L V6 252 (1982), 5.7L V8 350 (1977-1983), 6.6L V8 403 (1977-1979), 6.6L V8 400 (1977-1978)
1977-1981 Pontiac Catalina: 3.8L V6 231, 3.8L V6 229 (1980), 4.4L V8 267 (1980-1981), 5.0L V8 305 (1980-1981), 5.0L V8 307 (1981), 5.7L V8 350, 6.6L V8 403 (1977-1979), 6.6L V8 400 (1977-1978)
1984-1986 Pontiac Fiero: 2.5L L4 151
1977-1983 Pontiac Firebird: 2.5L L4 151 (1982-1983), 3.8L V6 231 (1977-1981), 4.4L V8 267 (1981), 5.0L V8 305 (1978-1983), 5.7L V8 350 (1978-1979)
1978-1980 Pontiac Grand Am: 3.8L V6 231 (1979), 5.0L V8 305
1978-1987 Pontiac Grand Prix: 3.8L V6 231, 4.1L V6 252 (1982), 4.4L V8 267 (1981-1982), 5.0L V8 305 (1978-1980, 1983-1985), 5.7L V8 350 (1981-1983)
1977-1978 Pontiac Grand Safari: 5.7L V8 350 (1977), 6.6L V8 400, 6.6L V8 403
1977-1981 Pontiac Laurentian: 3.8L V6 231 (1981), 4.4L V8 267 (1980-1981), 5.0L V8 305, 5.0L V8 307 (1981), 5.7L V8 350 (1978-1980)
1976-1981 Pontiac LeMans: 3.8L V6 229 (1980-1981), 3.8L V6 231 (1977-1981), 4.3L V8 260 (1976), 4.4L V8 267 (1979-1981), 5.0L V8 305, 5.7L V8 350 (1977-1979)
1977-1985 Pontiac Parisienne: 3.8L V6 231 (1981-1985), 4.4L V8 267 (1980-1982), 5.0L V8 305 (1977-1983), 5.0L V8 307 (1981), 5.7L V8 350 (1978-1983)
1977-1984 Pontiac Phoenix: 2.5L L4 151 (1978, 1980-1984), 2.8L V6 173 (1983-1984), 3.8L V6 231 (1977-1979), 5.0L V8 305 (1977-1979), 5.7L V8 350 (1977-1979)
1976-1980 Pontiac Sunbird: 2.5L L4 151 (1977-1980), 3.8L V6 231 (1976-1979), 5.0L V8 305 (1978-1979)
1975-1977 Pontiac Ventura: 2.5L L4 151 (1977), 3.8L V6 231 (1977), 4.3L V8 260 (1975-1976), 4.9L V8 301 (1977), 5.0L V8 305 (1977), 5.7L V8 350 (1976-1977)

Guides & Documents

Selecting the Right Wire Size for Automotive Alternator to Battery Applications

Warranty (Tuff Stuff)

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

Tuff Stuff 7140BBULL6G Specifications

KEY SPECS
MFG. Part #	7140BBULL6G
Brand	Tuff Stuff
One Wire Alternator	Yes
Alternator Amperage	140 amp
Alternator Finish	Polished
Pulley Style	6 Groove Pulley

GENERAL
Alternator Case Style	GM 10SI
Voltage Required	12-Volt
Regulator	Internal
Alternator Pulley Included	Yes
Alternator Pulley Grooves	6-groove, Serpentine
Color	Polished
Notes	140 Amp Output; 1-Wire Or OEM Wire Hookup; 6 Groove Pulley; 4.85 in. Case Depth; Lower Mount Boss 2 in. Long
GTIN Code	698252004985

Ratings & Reviews

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Questions & Answers

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Fitment

1995-1996 Buick Roadmaster

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1999-2000 Cadillac Escalade

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1993-1996 Cadillac Fleetwood

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1996-1999 Chevy C1500

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1996-1999 Chevy C1500 Suburban

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1996-1998 Chevy C2500

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Vortec L31 Small Block Chevy

1999 Chevy C2500

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1996-1999 Chevy C2500 Suburban

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1996-1999 Chevy C35

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1996-1999 Chevy C3500

Vortec L31 Small Block Chevy

1992-1995 Chevy Camaro

Gen 2 LT1 Small Block Chevy

1996-1999 Chevy Camaro

Gen 2 LT1 Small Block Chevy
Vortec L31 Small Block Chevy

1994-1995 Chevy Caprice

Gen 2 LT1 Small Block Chevy

1996 Chevy Caprice

Gen 2 LT1 Small Block Chevy
Vortec L31 Small Block Chevy

1992-1995 Chevy Corvette

Gen 2 LT1 Small Block Chevy

1996 Chevy Corvette

Gen 2 LT1 Small Block Chevy
Vortec L31 Small Block Chevy

1996-1999 Chevy Express 1500

Vortec L30 Small Block Chevy
Vortec L31 Small Block Chevy

2000-2002 Chevy Express 1500

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1996 Chevy Express 2500

Vortec L30 Small Block Chevy
Vortec L31 Small Block Chevy

1997 Chevy Express 2500

Gen 2 LT1 Small Block Chevy
Vortec L30 Small Block Chevy
Vortec L31 Small Block Chevy

1998-1999 Chevy Express 2500

Vortec L30 Small Block Chevy
Vortec L31 Small Block Chevy

2000-2002 Chevy Express 2500

Vortec L30 Small Block Chevy

1996-1999 Chevy Express 3500

Vortec L31 Small Block Chevy

1996 Chevy G30

Vortec L31 Small Block Chevy

1994-1995 Chevy Impala

Gen 2 LT1 Small Block Chevy

1996 Chevy Impala

Gen 2 LT1 Small Block Chevy
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1996-1999 Chevy K1500

Vortec L30 Small Block Chevy
Vortec L31 Small Block Chevy

1996-1999 Chevy K1500 Suburban

Vortec L31 Small Block Chevy

1996 Chevy K2500

Vortec L31 Small Block Chevy

1997-1998 Chevy K2500

Vortec L30 Small Block Chevy
Vortec L31 Small Block Chevy

1999 Chevy K2500

Vortec L31 Small Block Chevy

1996-1999 Chevy K2500 Suburban

Vortec L31 Small Block Chevy

1996-1999 Chevy K3500

Vortec L31 Small Block Chevy

1996-1999 Chevy P30

Vortec L31 Small Block Chevy

1996-1999 Chevy R25

Vortec L31 Small Block Chevy

1996-1999 Chevy Silverado

Vortec L31 Small Block Chevy

1996-1999 Chevy Suburban 1500

Vortec L31 Small Block Chevy

1996-1999 Chevy Tahoe

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1998-1999 GMC C1500

Vortec L31 Small Block Chevy

1992-1999 GMC C1500 Suburban

Vortec L31 Small Block Chevy

1998-1999 GMC K1500

Vortec L31 Small Block Chevy

1992-1999 GMC K1500 Suburban

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1996-2000 GMC K2500

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1987 GMC R1500 Suburban

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1996-2000 GMC Savana 1500

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1992-2011 GMC Yukon

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