Mack RD Trucks
Shop for aftermarket Mack RD truck parts (1979 – 2004) to repair, replace, and refurbish your heavy-duty vocational rig. We sell replacement and aftermarket parts for popular Mack RD models, including the RD600, RD688, RD688S, RD690, and RD690S. Source collision-replacement parts, customize the exterior, or add interior cab accessories to refurbish your truck at 4 State Trucks.
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- Qty in Cart
- Quantity
- Price
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BESTfit 7-6 Inch 90 Degree Rubber Reducer Elbow
BESTFIT TRUCK PARTS
$129.997-6 Inch 90 Degree Rubber Reducer Elbow By BESTfitAchieve secure, leak-free connections in your heavy-duty truck's intake system with the BESTfit 7-6 Inch 90 Degree Rubber Reducer Elbow. Designed to...GR-RRE-790-6- SKU:
- GR-RRE-790-6
- Degree Options:
- 90
- Product Type:
- Exhaust
- Style Options:
- Elbow
- Material Options:
- Rubber
- Diameter Options:
- 7 Inch
- Make:
- Universal Items
$129.99Qty in Cart: 0Price:$129.99Subtotal: -
BESTfit 5-6 Inch Exhaust Pipe Hook
BESTFIT TRUCK PARTS
$9.265-6 Inch Exhaust Pipe Hook By BESTfitSimplify exhaust pipe installation with the BESTfit 5-6 Inch Exhaust Pipe Hook, built to support 5- to 6-inch pipes. This high-quality hook provides stable...GR-PH-6A- SKU:
- GR-PH-6A
- Product Type:
- Exhaust
- Make:
- Universal Items
$9.26Qty in Cart: 0Price:$9.26Subtotal: -
BESTfit 48 Inch Aluminized Steel Heat Shield W/ Round Holes
BESTFIT TRUCK PARTS
$179.9948 Inch Aluminized 180 Degree Heat Shield W/ Round Holes By BESTfitSafeguard surrounding components from high exhaust temperatures with the BESTfit 48 Inch Aluminized Steel Heat Shield. The...GR-PG-G- SKU:
- GR-PG-G
- Material Options:
- Aluminum
- Length Options:
- 48 Inch
- Degree Options:
- 180
- Product Type:
- Exhaust
- Make:
- Universal Items
$179.99Qty in Cart: 0Price:$179.99Subtotal: -
BESTfit 3.5 Inch Guillotine Single Edge Saddle Clamp
BESTFIT TRUCK PARTS
$6.893.5 Inch Zinc Plated Guillotine Single Edge Saddle Clamp By BESTfitThe BESTfit 3.5 Inch Guillotine Single Edge Saddle Clamp ensures tight, reliable exhaust connections for commercial trucks. Its...GR-RB-35ZN- SKU:
- GR-RB-35ZN
- Product Type:
- Exhaust
- Make:
- Universal Items
$6.89Qty in Cart: 0Price:$6.89Subtotal: -
BESTfit 10 X 15 Inch Aluminized Steel Oval Muffler Hanger
BESTFIT TRUCK PARTS
$72.0910 X 15 Inch Oval Muffler Hanger By BESTfitSecure your truck's exhaust system with the BESTfit 10 x 15 Inch Oval Muffler Hanger. Crafted from durable aluminized steel and designed for horizontal...GR-OMH-1015- SKU:
- GR-OMH-1015
- Product Type:
- Exhaust
- Make:
- Universal Items
$72.09Qty in Cart: 0Price:$72.09Subtotal: -
BESTfit 4 ID X 4.21 OD X 8 Inch Hot Side CAC Hose
BESTFIT TRUCK PARTS
$90.994 ID X 4.21 OD X 8 Inch Hot Side CAC Hose By BESTfitDeliver dependable airflow in your EGR hot-side system with the BESTfit 4 ID x 4.21 OD x 8 Inch CAC Hose. This high-quality silicone hose provides...GR-HCAC-20074- SKU:
- GR-HCAC-20074
- Length Options:
- 6 Inch
- Material Options:
- Silicone
- Color:
- Red
- Diameter Options:
- 4 Inch
- Product Type:
- Engine Parts
- Make:
- Universal Items
$90.99Qty in Cart: 0Price:$90.99Subtotal: -
BESTfit 9.5 Inch ID X 10.25 Inch OD DPF Gasket For Cummins ISB 6.7L
BESTFIT TRUCK PARTS
$18.599.5 Inch ID X 10.25 Inch OD DPF Gasket By BESTfitMaintain a leak-free DPF system on your Cummins ISB 6.7L with the BESTfit 9.5 Inch ID x 10.25 Inch OD DPF Gasket. Crafted from high-quality materials,...GR-GRDPFG-1051-10- SKU:
- GR-GRDPFG-1051-10
- Product Type:
- Exhaust
- Style Options:
- Cummins
- Make:
- Universal Items
$18.59Qty in Cart: 0Price:$18.59Subtotal: -
BESTfit 4/4.5 ID X 6.5 Inch CAC Hose
BESTFIT TRUCK PARTS
$113.994/4.5 ID X 6.5 Inch Hot Side CAC Hose By BESTfitEnsure smooth airflow and long-term performance with the BESTfit 4/4.5 ID x 6.5 Inch CAC Hose, designed for EGR hot-side systems. Made of high-quality...GR-HCAC-12842- SKU:
- GR-HCAC-12842
- Color:
- Red
- Product Type:
- Engine Parts
- Diameter Options:
- 4 Inch
- Material Options:
- Silicone
- Length Options:
- 6 1/2 Inch
- Make:
- Universal Items
$113.99Qty in Cart: 0Price:$113.99Subtotal: -
BESTfit 10 X 44.5 Inch Aluminized Steel Muffler W/ 5 Inch Inlet/ Outlet
BESTFIT TRUCK PARTS
$204.9910 X 44.5 Inch Muffler W/ 5 Inch Inlet/ Outlet By BESTfitMaintain smooth and quiet exhaust operation with the BESTfit 10 x 44.5 Inch Type 1 Muffler. Constructed from aluminized steel, this round...GR-M-130- SKU:
- GR-M-130
- Product Type:
- Exhaust
- Make:
- Universal Items
$204.99Qty in Cart: 0Price:$204.99Subtotal: -
BESTfit 2 Inch X 25 Ft Galvanized Steel Flex Hose
BESTFIT TRUCK PARTS
$151.992 Inch X 25 Ft Galvanized Flex Hose By BESTfitKeep your system running smoothly with the BESTfit 2 Inch x 25 Ft Galvanized Steel Flex Hose. This high-quality galvanized metal hose measures 2 inches...GR-G15-2300- SKU:
- GR-G15-2300
- Style Options:
- Standard
- Finish Options:
- Galvanized
- Length Options:
- 300 Inch
- Diameter Options:
- 2 Inch
- Product Type:
- Exhaust
- Material Options:
- Steel
- Make:
- Universal Items
$151.99Qty in Cart: 0Price:$151.99Subtotal: -
BESTfit 6 Inch X 10 Ft Galvanized Steel Flex Hose
BESTFIT TRUCK PARTS
$169.996 Inch X 10 Ft Galvanized Flex Hose By BESTfitDepend on the BESTfit 6 Inch x 10 Ft Galvanized Steel Flex Hose for secure, corrosion-resistant connections in heavy-duty applications. Crafted from...GR-G15-6120- SKU:
- GR-G15-6120
- Finish Options:
- Galvanized
- Style Options:
- Standard
- Diameter Options:
- 6 Inch
- Length Options:
- 120 Inch
- Product Type:
- Exhaust
- Material Options:
- Steel
- Make:
- Universal Items
$169.99Qty in Cart: 0Price:$169.99Subtotal: -
BESTfit 3.5 ID X 3.71 OD X 6 Inch Hot Side CAC Hose
BESTFIT TRUCK PARTS
$62.993.5 ID X 3.71 OD X 6 Inch Hot Side CAC Hose By BESTfitProtect your engine and maintain smooth EGR operation with the BESTfit 3.5 ID x 3.71 OD x 6 Inch Hot Side CAC Hose. Constructed from durable...GR-HCAC-20071- SKU:
- GR-HCAC-20071
- Material Options:
- Silicone
- Color:
- Red
- Length Options:
- 6 Inch
- Product Type:
- Engine Parts
- Diameter Options:
- 3 1/2 Inch
- Make:
- Universal Items
$62.99Qty in Cart: 0Price:$62.99Subtotal: -
BESTfit 3/3.5 ID X 3.21/3.71 OD X 6 Inch CAC Hose
BESTFIT TRUCK PARTS
$61.993/3.5 ID X 3.21/3.71 OD X 6 Inch Cold CAC Hose By BESTfitThe BESTfit 3/3.5 ID x 3.21/3.71 OD x 6 Inch CAC Hose delivers dependable charge air flow for EGR cold side systems. Made from...GR-CCAC-20077- SKU:
- GR-CCAC-20077
- Material Options:
- Silicone
- Product Type:
- Engine Parts
- Length Options:
- 6 Inch
- Make:
- Universal Items
$61.99Qty in Cart: 0Price:$61.99Subtotal: -
BESTfit 4 X 12 Inch Galvanized Steel Flex Hose
BESTFIT TRUCK PARTS
$19.294 X 12 Inch Galvanized Flex Hose By BESTfitBuilt for durability and dependable operation, the BESTfit 4 x 12 Inch Galvanized Steel Flex Hose provides corrosion-resistant, flexible performance in a...GR-G15-412- SKU:
- GR-G15-412
- Material Options:
- Steel
- Diameter Options:
- 4 Inch
- Product Type:
- Exhaust
- Length Options:
- 12 Inch
- Finish Options:
- Galvanized
- Style Options:
- Flex
- Make:
- Universal Items
$19.29Qty in Cart: 0Price:$19.29Subtotal: -
BESTfit 4 ID X 6 Inch Aluminized Steel Coupler
BESTFIT TRUCK PARTS
$26.994 ID X 6 Inch Aluminized Coupler By BESTfitEnsure long-lasting and secure pipe connections with the BESTfit 4 ID x 6 Inch Aluminized Steel Coupler. Constructed from high-quality 16-gauge aluminized...GR-CP-46A- SKU:
- GR-CP-46A
- Product Type:
- Exhaust
- Make:
- Universal Items
$26.99Qty in Cart: 0Price:$26.99Subtotal: -
BESTfit 24 Inch 304 Stainless Steel Grab Handle
BESTFIT TRUCK PARTS
$119.9924 Inch Stainless Steel Grab Handle By BESTfit1The BESTfit 24 Inch 304 Stainless Steel Grab Handle is a durable, corrosion-resistant solution for safe and convenient truck access. Made from...GR-GH-24S- SKU:
- GR-GH-24S
- Length Options:
- 24 Inch
- Product Type:
- Exhaust
- Material Options:
- Stainless Steel
- Make:
- Universal Items
$119.99Qty in Cart: 0Price:$119.99Subtotal: -
BESTfit 3.5 ID X 3.71 OD X 6 Inch CAC Hose
BESTFIT TRUCK PARTS
$58.993.5 ID X 3.71 OD X 6 Inch Cold CAC Hose By BESTfitAchieve reliable airflow and superior engine protection with the BESTfit 3.5 ID x 3.71 OD x 6 Inch CAC Hose. Engineered for EGR cold side systems,...GR-CCAC-20078- SKU:
- GR-CCAC-20078
- Product Type:
- Engine Parts
- Material Options:
- Silicone
- Length Options:
- 6 Inch
- Make:
- Universal Items
$58.99Qty in Cart: 0Price:$58.99Subtotal: -
CSM Brushed Stainless Steel Trash Can
CHROME SHOP MAFIA
$99.00Stainless Steel Trash Can By Chrome Shop MafiaOrganize your cab, garage, or workspace with the CSM Brushed Stainless Steel Trash Can by Chrome Shop Mafia. Made of 16-gauge brushed stainless steel...09-2200045- SKU:
- 09-2200045
- Location:
- Made In USA
- Product Type:
- Apparel
- Make:
- Universal Items
$99.00Qty in Cart: 0Price:$99.00Subtotal: -
8 Inch Black Battery Jumper Cable Replaces 84-9401
AFTERMARKET
$22.718 Inch 1 Gauge Black Battery Jumper CableQuickly and safely jump-start or connect batteries with the 8 Inch Black Battery Jumper Cable. This premium battery-to-battery cable includes a 1-gauge wire...09-160300035- SKU:
- 09-160300035
- Color:
- Black
- Product Type:
- Engine Parts
- Length Options:
- 8 Inch
- Make:
- Universal Items
$22.71Qty in Cart: 0Price:$22.71Subtotal: -
17 Inch Red Battery Jumper Cable Replaces 84-9307, 9-217
AFTERMARKET
$29.6717 Inch 2 Gauge Red Battery Jumper Cable W/ 3/8 Inch Anti- Rotational LugsOptimize battery performance with the 17 Inch Red Battery Jumper Cable. Made for Group 31 batteries, it includes a 2/0 gauge...09-160300046- SKU:
- 09-160300046
- Length Options:
- 17 Inch
- Color:
- Red
- Product Type:
- Engine Parts
- Make:
- Universal Items
$29.67Qty in Cart: 0Price:$29.67Subtotal:
