Isuzu Truck Parts
Shop for top-quality Isuzu truck parts at 4 State Trucks. Discover amazing upgrades, OE replacements, and aftermarket solutions. From semi-truck bumpers to engine parts and fenders, we have everything you need to keep your truck in peak condition.
Universal Parts
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Semi-Truck Bumpers Universal
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Semi-Truck Cargo Equipment Universal
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Semi-Truck Electronics Universal Parts
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Semi-Truck Engine Cooling Parts Universal
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Semi-Truck Engine Parts Universal
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Semi-Truck Exhaust Universal Parts
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Semi-Truck Exterior Parts Universal
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Semi-Truck Fenders Universal
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Semi-Truck Frame Chassis Universal
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Semi-Truck Fuel Tanks Universal
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Semi-Truck Hoods Related Universal
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Semi-Truck Horns Universal
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Semi-Truck Interior Parts Universal
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Semi-Truck Lighting Universal
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Semi-Truck Mud Flaps Universal
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Semi-Truck No Idle Universal
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Semi-Truck Polishing Universal
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Semi-Truck Safety, Air & Electrical Universal
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Semi-Truck Tool Boxes Universal
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Semi-Truck Tools Universal
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Semi-Truck Universal Seats
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Semi-Truck Wheels Tires Universal
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- Price
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Serpentine Belt Tensioner Pulley Assembly- Replaces 49561, 9062002470
AUTOMANN USA
$139.99Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions: - 1.279 Inch Pulley Width - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner Assemblies Against Defects In Workmanship &...29-07060159- SKU:
- 29-07060159
- Truck Class:
- Heavy Duty
- Width Options:
- 1 1/4 Inch
- Product Type:
- Engine Parts
- Location:
- Made In USA
- Make:
- Universal Items
$139.99Qty in Cart: 0Price:$139.99Subtotal: -
On SaleLimited Quantity Available
4 Inch Stainless Steel Flat Band Clamp - Easy Seal
AUTOMANN USA
Now: $5.98Was: $10.474 Inch Easy Seal Flat Band ClampSecure your truck's hoses and connections with this high-quality 4 Inch Stainless Steel Flat Band Clamp - Easy Seal. Made from durable stainless steel, this 4-inch band clamp provides a reliable, corrosion-resistant hold...09-0800123- SKU:
- 09-0800123
- Truck Class:
- Heavy Duty
- Product Type:
- Exhaust
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Availability:
- Ready To Ship
Now: $5.98Was: $10.47Qty in Cart: 0Price:Now: $5.98Was: $10.47Subtotal: -
Poly Single Axle Fender Mounting Kit W/ Black Steel Triangular Mounting Brackets, Mount Tubes & Clamps
TRUX ACCESSORIES
$369.99Painted Steel Mounting Kit For Single Axle Fenders* High Quality Fender Mounting Kit* Includes: - 4 X Black Triangular Fender Arms - 4 X Black Threaded Mount Tubes - 4 X Black Clamps, Hardware* Painted Steel* Sold As Set* Warranty On...09-111109- SKU:
- 09-111109
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Rear Fenders
- Material Options:
- Steel
- Color:
- Black
$369.99Qty in Cart: 0Price:$369.99Subtotal: -
On SaleLimited Quantity Available
Monroe Magnum 70 Shock Absorber 74424
OPP - ORIGINAL PARTS PROGRAM
Now: $20.34Was: $57.79Replacement Shock Absorber* High Quality Shock Absorber * Dimensions - 16.98 Inch Compressed Length - 26.2 Inch Expanded Length - 9.22 Inch Travel * PTFE Coating * 1 3/4 Inch Bore * 10 Stage Valve * Provides Efficient Damping Control*...74424- SKU:
- 74424
- Product Type:
- Engine Parts
- Availability:
- Ready To Ship
- Length Options:
- 26 Inch
- Make:
- Universal Items
Now: $20.34Was: $57.79Qty in Cart: 0Price:Now: $20.34Was: $57.79Subtotal: -
On Sale
Black Poly Quarter Fenders - Pair
MERRITT
Now: $118.99Was: $139.99Black Poly Quarter Fenders* High Quality Quarter Fenders* Made Of Poly* Black* Thick And Tough For Incredible Durability And Long Life* Rust Proof, Chip, Dent And Scuff Resistant* Low Maintenance * Made In USA* Sold As Pair* Warranty On Quarter Fenders...50602- SKU:
- 50602
- Location:
- Made In USA
- Color:
- Black
- Material Options:
- Plastic/Poly
- Height Options:
- 9 Inch
- Product Type:
- Rear Fenders
- Length Options:
- 29 Inch
- Width Options:
- 23 Inch
- Make:
- Universal Items
Now: $118.99Was: $139.99Qty in Cart: 0Price:Now: $118.99Was: $139.99Subtotal: -
Turnpike Truck Trim 3.5 X 3.5 Inch Stainless Steel Beacon or Work Light Bracket
TURNPIKE TRUCK TRIM
$16.59Beacon / Work Light Mounting Bracket* High Quality Light Bracket* 18 Gauge Stainless Steel* 3 1/2 Inch x 3 1/2 Inch* Sold Individually* Warranty On Light Brackets Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...09-1610030- SKU:
- 09-1610030
- Product Type:
- Lighting
- Make:
- Universal Items
- Size Options:
- 18 Gauge
- Length Options:
- 3 1/2 Inch
- Material Options:
- Stainless Steel
- Width Options:
- 3 1/2 Inch
- Availability:
- Ready To Ship
$16.59Qty in Cart: 0Price:$16.59Subtotal: -
Poly Insulator 25115012 For Mack
AUTOMANN USA
$77.99Mack Truck Replacement Insulator* High Quality Insulator* Poly * Dimensions: - 1.75 Inch Button Size - 6.00 Inch Length - 4.50 Inch Width - 3.00 Inch Height* Made In USA* Sold Individually* Warranty On Insulators Against Defects...11-05100051- SKU:
- 11-05100051
- Truck Class:
- Heavy Duty
- Product Type:
- Frame & Chassis
- Make:
- Mack
- Height Options:
- 3 Inch
- Width Options:
- 4 1/2 Inch
- Length Options:
- 6 Inch
- Location:
- Made In USA
- Material Options:
- Plastic/Poly
$77.99Qty in Cart: 0Price:$77.99Subtotal: -
Poly Upper Insulator Load Pad 10QK1065A, 25121508, R307481 For Mack SS34-38 Series
AUTOMANN USA
$81.99Replacement Mack Insulator Pad-Upper* High Quality Insulator* Poly* Dimensions: - 6.00 Inch Length - 4.50 Inch Width - 2.375 Inch Height - 1.75 Inch Button Size* Upper* Made In USA* Sold Individually* Warranty On Insulators...11-05100055- SKU:
- 11-05100055
- Product Type:
- Frame & Chassis
- Material Options:
- Plastic/Poly
- Height Options:
- 2 Inch
- Position:
- Upper
- Width Options:
- 4 1/2 Inch
- Length Options:
- 6 Inch
- Location:
- Made In USA
- Make:
- Mack
$81.99Qty in Cart: 0Price:$81.99Subtotal: -
Premium Lower Insulator Load Pad 10QK36B, 10QK36C, 21036254
AUTOMANN USA
$44.97Lower Load Pad Replacement* High Quality Insulator* Dimensions: - Length- 6.00 Inch - Height- 3.75 Inch - Button Size- 1.75 Inch* Lower* Made In USA* Sold Individually* Warranty On Insulators Against Defects In Workmanship & Material...11-05100038- SKU:
- 11-05100038
- Truck Class:
- Heavy Duty
- Product Type:
- Frame & Chassis
- Make:
- Mack
- Height Options:
- 3 1/2 Inch
- Length Options:
- 6 Inch
- Location:
- Made In USA
- Position:
- Lower
$44.97Qty in Cart: 0Price:$44.97Subtotal: -
Poly Lower Insulator Load Pad 10QK388, R307480, 25125064 For Mack SS34- 38-44 Series
AUTOMANN USA
$123.99Mack Lower Load Pad* High Quality Insulator* Poly* Dimensions: - 6.00 Inch Length - 3.75 Inch Height* Made In USA* Sold Individually* Warranty On Insulators Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...11-05100045- SKU:
- 11-05100045
- Product Type:
- Frame & Chassis
- Truck Class:
- Heavy Duty
- Make:
- Mack
- Height Options:
- 3 1/2 Inch
- Length Options:
- 6 Inch
- Location:
- Made In USA
- Material Options:
- Plastic/Poly
$123.99Qty in Cart: 0Price:$123.99Subtotal: -
Poly Lower Insulator Load Pad 10QK389, 25114877 For Mack
AUTOMANN USA
$170.99Replacement Mack Lower Load Pad* High Quality Insulator* Poly* Dimensions: - 7.00 Inch Length - 4.375 Inch Height - 2.00 Inch Button Size* Lower* Made In USA* Sold Individually* Warranty On Insulators Against Defects In Workmanship &...11-05100041- SKU:
- 11-05100041
- Product Type:
- Frame & Chassis
- Truck Class:
- Heavy Duty
- Make:
- Mack
- Location:
- Made In USA
- Material Options:
- Plastic/Poly
- Height Options:
- 4 Inch
- Position:
- Lower
- Length Options:
- 7 Inch
$170.99Qty in Cart: 0Price:$170.99Subtotal: -
Lower Insulator Load Pad 10QK343P13. 10QK36. 10QK36A. 10QK36AP1. 10QK36AP2 For Mack
AUTOMANN USA
$45.99Lower Load Pad ReplacementEnhance your Mack suspension system with this Mack Lower Load Pad, made for SS 34-44 Series, SW/ST34 Series applications. This durable aftermarket replacement offers optimal performance, fitting seamlessly into your setup. It...11-05100037- SKU:
- 11-05100037
- Product Type:
- Frame & Chassis
- Truck Class:
- Heavy Duty
- Make:
- Mack
- Height Options:
- 3 1/2 Inch
- Length Options:
- 6 Inch
- Location:
- Made In USA
- Position:
- Lower
$45.99Qty in Cart: 0Price:$45.99Subtotal: -
3.78 X 4.57 Inch Stainless Steel Super Seal Clamp
AUTOMANN USA
$9.17Super Seal Worm Drive Clamp* High Quality Clamp* 304 Stainless Steel* Dimensions: - 3.78 Inch To 4.57 Inch Diameter - 0.570 Inch Wide - 5/16 Inch hex Screw* Meets SAE J1508* Corrosion Resistance* Sold Individually* Warranty On Clamps...09-07020018- SKU:
- 09-07020018
- Product Type:
- Engine Parts
- Make:
- Universal Items
- Material Options:
- Stainless Steel
$9.17Qty in Cart: 0Price:$9.17Subtotal: -
BESTfit Crewson Type Slack Adjuster 1-1/4 In-24 X 5.5 Inch Arm - Straight Clevis
BESTFIT TRUCK PARTS
$93.99Crewson Type Slack Adjuster 5.5 Inch Arm With Straight ClevisThis Crewson-style automatic slack adjuster has a 5.5-inch arm. It comes with a straight clevis and features a 1-1/4-inch-24 thread.* High Quality Slack Adjuster* Includes - Installation...09-05170108- SKU:
- 09-05170108
- Location:
- Made In USA
- Product Type:
- Frame & Chassis
- Make:
- Universal Items
$93.99Qty in Cart: 0Price:$93.99Subtotal: -
BESTfit Crewson Type Automatic Slack Adjuster 5.5 Inch Replaces CB25300, CB52336, E6990
BESTFIT TRUCK PARTS
$93.99Crewson Type Automatic Slack Adjuster 1.25 -24 X 5.5 Inch Arm With Offset ClevisLooking for a heavy-duty automatic slack adjuster? This Crewson-style unit comes with a 5.5-inch arm and features a 1-1/4-inch-24 thread with an offset clevis design.* High...09-05170106- SKU:
- 09-05170106
- Location:
- Made In USA
- Product Type:
- Frame & Chassis
- Make:
- Universal Items
$93.99Qty in Cart: 0Price:$93.99Subtotal: -
Switchblade Turbocharger 14969880000 - Stage 3 For Detroit Diesel and Cummins
SWITCHBLADE TURBO
$2,328.99Stage 3 Switchblade Turbocharger* High Quality Switchblade Turbocharger* 1.45 Air Ratio Turbine Housing* 78 MM Compressor Wheel* Horsepower Rating Is A Maximum of 675hp* Two-In-One Design* Reduced Exhaust Gas Temps* Extended Oil Life (Significant...29-07050022- SKU:
- 29-07050022
- Location:
- Made In USA
- Make:
- Universal Items
- Product Type:
- Engine Parts
- Style Options:
- Cummins
$2,328.99Qty in Cart: 0Price:$2,328.99Subtotal: -
Switchblade Turbocharger 14969880001 - Stage 4 For Caterpillar Engine
SWITCHBLADE TURBO
$2,465.99Replacement Caterpillar Turbocharger* High Quality Switchblade Turbocharger* Includes: - CAT 90 Degree Elbow - Adapter* 1.45 Air Ratio Turbine Housing* 80 MM Compressor Wheel (Inducer) Diameter* Horsepower Rating Is A Maximum Of 750hp*...29-07050019-C- SKU:
- 29-07050019-C
- Product Type:
- Engine Parts
- Location:
- Made In USA
- Make:
- Universal Items
- Degree Options:
- 90
- Style Options:
- Caterpillar
$2,465.99Qty in Cart: 0Price:$2,465.99Subtotal: -
Switchblade Turbocharger 14969880000 -Stage 3 For Caterpillar
SWITCHBLADE TURBO
$2,328.99Caterpillar Stage 3 Switchblade Turbocharger* High Quality Switchblade Turbocharger* 1.45 Air Ratio Turbine Housing* 80 MM Compressor Wheel* Horsepower Rating Is A Maximum of 675hp* Two-In-One Design* Reduced Exhaust Gas Temps* Extended Oil Life...29-07050022-C- SKU:
- 29-07050022-C
- Product Type:
- Engine Parts
- Location:
- Made In USA
- Make:
- Universal Items
- Style Options:
- Caterpillar
$2,328.99Qty in Cart: 0Price:$2,328.99Subtotal: -
Switchblade Turbocharger 14969880002 - Stage 5 For Caterpillar Engine
SWITCHBLADE TURBO
$2,602.99Caterpillar Stage 5 Switchblade Turbocharger* High Quality Switchblade Turbocharger* Includes: - CAT 90 Degree Elbow - Adapter* 1.45 Air Ratio Turbine Housing* 82 MM Compressor Wheel* Horsepower Rating Is A Maximum Of 825hp* Two-In-One...29-07050020-C- SKU:
- 29-07050020-C
- Product Type:
- Engine Parts
- Location:
- Made In USA
- Make:
- Universal Items
- Degree Options:
- 90
- Style Options:
- Caterpillar
$2,602.99Qty in Cart: 0Price:$2,602.99Subtotal: -
Switchblade Turbocharger 3804502 - Stage 1 For Cummins N14
SWITCHBLADE TURBO
$2,191.99Cummins N14 Switchblade Turbocharger* High Quality Switchblade Turbocharger* 26 CM Air Ratio Turbine Housing* 74 MM Compressor Wheel* Max HP Rating 525hp* Two-In-One Design* Reduced Exhaust Gas Temps* Extended Oil Life (Significant Reduction In Exhaust...29-07050023- SKU:
- 29-07050023
- Product Type:
- Engine Parts
- Location:
- Made In USA
- Make:
- Universal Items
- Style Options:
- Cummins
$2,191.99Qty in Cart: 0Price:$2,191.99Subtotal: