PAI Industries – Engine, Drivetrain & Aftermarket Truck Parts
984 results(1 filter applied, reset)PAI Industries manufactures high-quality aftermarket parts for Class 6–8 trucks, specializing in engine components, drivetrain systems, and replacement parts for Cummins, Detroit Diesel, and Caterpillar engines. With a reputation for precision and durability, PAI delivers OE-level performance for fleets that demand reliability and longevity.
From overhaul kits and gaskets to gear sets, water pumps, and suspension parts, PAI products are built to perform under pressure—mile after mile.
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PAI 050657 Oil Pressure Sensor Kit, 3-pin Rectangular Connector, M14x1.5 Thread
SKU: 050657Cross reference: 40879914087991-NX49215174921744ATM577.90501DOR904-5050SASS-26400UPC/EAN: 050657$74.78Each
PAI 661601B Brass Liner Shim .031" Thick Detroit Diesel Series 60
SKU: 661601BUPC/EAN: 193807175245$34.81Each
PAI 331374 Exhaust Manifold Gasket Assembly Sleeve With Gasket Caterpillar 3406E C15 C16 C18
SKU: 331374Cross reference: 2818261CAT2818261UPC/EAN: 193807126315$34.42Each
PAI 671610 Main Bearing Set, Standard Series, Detroit Diesel 60
SKU: 671610Cross reference: DDE8929670UPC/EAN: 193807018139$57.33Each
PAI 040046 Cylinder Head Bolt M12x1.75x120 Flanged Hex Head Steel Class 12.9 ISO 9001 Quality Cert
SKU: 040046UPC/EAN: LC00400355$33.54Pack 10
PAI 431201 Oil Pan Gasket, International DT466 Engine, 28" x 44" x 1"
SKU: 431201UPC/EAN: 193807056841$37.63Each
PAI 131406 Oil Pan Gasket, Cummins 6B/ISB/QSB Engine, ISO 9001 Quality Cert
SKU: 131406Cross reference: 390128739045773906028391153639370724337616UPC/EAN: 193807135935$31.42Each
PAI 131555 Cylinder Head Gasket, Cummins 855 N14
SKU: 131555Cross reference: 4058790EDC4058790UPC/EAN: 193807137526$37.22Each
PAI 040000 Cylinder Head Bolt, Screw Head, Socket Cap Design
SKU: 040000UPC/EAN: LC00455487$68.80Pack 6
PAI 490063 Roller Lifter For DT466 DT466E DT530E DT570 Engines ISO 9001 Quality Cert
SKU: 490063UPC/EAN: 193807102807$44.32Each
PAI 040019 Starter Bolt 5/8"-11 x 2" External 12-Point SAE Grade 8 Steel
SKU: 040019Cross reference: 153581EDC153581UPC/EAN: 193807162474$36.98Pack 6
PAI 671612 Main Bearing .020"/.508mm Oversize, Detroit Diesel Series 60/50
SKU: 671612UPC/EAN: 193807018153$31.18Each
PAI EGS-3895-001 Valve Cover Gasket, 13.68" x 8-1/2", Mack V8 / Volvo Engine Application
SKU: EGS-3895-001Cross reference: 554GB316GEGS3895001UPC/EAN: 193807068936$44.81Each
PAI 040007 Capscrew 7/16-14 x 3-1/2"
SKU: 040007UPC/EAN: 193807162207$31.35Pack 6
PAI 181887 Engine Coolant Thermostat 180°F Non-Vented 3.19"OD x 2.27"ID Dual-Thermostat Configuration
SKU: 181887Cross reference: 4318947433665949522044973373EDC4973373EXC181831EXC181930FPDFP-4973373SASS-23017UPC/EAN: 193807000127$42.85Each
PAI ESC-0008 Screw
SKU: ESC-0008UPC/EAN: 193807166052$37.13Pack 10
PAI 040104 VALVE COVER ISOLATOR
SKU: 040104UPC/EAN: 193807164560$45.59Pack 4
PAI 803936 Door Lock Striker, Right-hand/Left-hand, ISO 9001 Quality Cert
SKU: 803936UPC/EAN: 193807191740$38.36Each
PAI 381192 Turbocharger Installation Kit, Caterpillar C15/C18, ISO 9001 Quality Cert
SKU: 381192UPC/EAN: 193807142513$76.31Each
PAI 681850 Engine Coolant Thermostat Kit, 190°F Opening Temperature
SKU: 681850Cross reference: 23532436DDE23532436GAT33599UPC/EAN: 193807065447$43.31Each
PAI BBG-7328 Roller Bearing 80.00mm OD x 35.00mm ID x 21.00mm Width
SKU: BBG-7328Cross reference: 1274842719-127484BBG7328UPC/EAN: 193807249137$65.37Each
PAI 631260 Oil Pan Gasket, Silicone, 108.8" Length, Detroit Diesel Series 60
SKU: 631260Cross reference: DDE8929102UPC/EAN: 193807054342$49.82Each
PAI 131427 Rocker Box Gasket, Metal Housing, Cummins N14 Engine
SKU: 131427Cross reference: 30762924058981EDC4058981UPC/EAN: 193807136161$33.31Each
PAI 045051 Cam Follower Roller, Valve Train, Cummins L10/M11/ISM Series
SKU: 045051Cross reference: 3895488EDC3895488UPC/EAN: LC00402546$46.69Pack 2
PAI FGG-0514 Water Temperature Gauge
SKU: FGG-0514Cross reference: 3MT246FGG0514UPC/EAN: 193807171315$77.94Each
PAI 650656 Engine Oil Temperature Sensor, Detroit Series 60, 2-Pin Oval Connector
SKU: 650656Cross reference: 23518092DDE23518092UPC/EAN: 193807134006$41.34Each
PAI 331349 Valve Cover Gasket, Caterpillar C15 Engine Application, ISO 9001 Quality Cert
SKU: 331349Cross reference: 17280272429537CAT2429537UPC/EAN: 193807126070$33.03Each
PAI FEH-4497 Electric Horn, 12V High Pitch
SKU: FEH-4497Cross reference: 2132-189216438MR350P238MR367P138MR37038MR390S4103-5000361504FEH4497UPC/EAN: 193807217471$33.33Each
PAI 451400 Rocker Switch Headlight 3 Position 5 Terminal Pin Connection ISO 9001 Quality Cert
SKU: 451400Cross reference: 16612341661234C11661234C21661234C3UPC/EAN: 193807147532$65.02Each
PAI 650664 Oil/Water Temperature Sensor M14x1.5 Thread 2-Pin Oval Connector
SKU: 650664Cross reference: A0041534228UPC/EAN: 193807134167$52.22Each
PAI 450550 Parking Brake Light Switch, Air Pressure Warning, 206psig, 2-pin Oval Connector, 2.43" Length
SKU: 450550Cross reference: 2035007C12035007C22042478C12042478C23014-174991284333-2035007C2FSC1749-9128UPC/EAN: 193807140649$46.15Each
PAI 436015 Rear Crankshaft Seal Kit, DT466/DT530 Engine
SKU: 436015Cross reference: 1817867C911817867C92NAV1817867UPC/EAN: 193807072902$45.83Each
PAI EGK-3929 Valve Cover Gasket Silicone Rubber 51" Cut to Length ISO 9001 Quality Cert
SKU: EGK-3929Cross reference: 554GB115EGK3929UPC/EAN: 193807210458$32.35Each
PAI FGG-0532 Electric Fuel Level Gauge, 2-1/8" Dashboard Cutout, Negative Ground
SKU: FGG-0532Cross reference: 9MT212P2FGG0532UPC/EAN: 193807171513$67.35Each
PAI 631281 Valve Cover Gasket Gray Silicone 41" x 0.51" x 0.48" Detroit Diesel Series 60
SKU: 631281Cross reference: 23516322DDE23516322UPC/EAN: 193807054533$44.79Each
PAI 481834 Engine Coolant Thermostat Kit, 190°F Opening Temperature, Gasket Included
SKU: 481834Cross reference: 1842130C11842130C21842130C3FPDFP-1842130UPC/EAN: 193807067298$72.52Each
PAI 381861 Coolant Thermostat, 190°F Opening Temperature, Vented Poppet, 2-1/8" OD
SKU: 381861Cross reference: 1154223UPC/EAN: 193807147099$35.46Each
PAI LST-3716 LP-3 TYPE LOW PRESSURE SWITCH/2 TERMINAL
SKU: LST-3716Cross reference: 1324113241A1693202C1170.132411MR11541MR2294RP123049732807433409934012395396-13241A764370C91AVBE13241BE13241EM37160K30148LST3716R955BE13241NS-21904WA13241UPC/EAN: 193807208042$71.88Each
PAI 331210 Oil Pan Gasket Segmented Caterpillar 3406E/C15/C16/C18 Series ISO 9001 Quality Cert
SKU: 331210Cross reference: 4N36614N63406N1396CAT4N1151CAT4N1151-6EXC331151EXC331208UPC/EAN: 193807124595$31.33Each
PAI ER85910 Differential Seal
SKU: ER85910Cross reference: 2500887C91A11205X2728A1205R2592FMC100494MERA11205X2728MERR945007MTP100494SASS-A942SKF32500UPC/EAN: 193807006457$36.45Each
PAI 650655 Coolant Temperature Sensor, 2-Pin Oval Connector, 2.4" Length
SKU: 650655Cross reference: ATM577.23502DDE23514708UPC/EAN: 193807133986$47.21Each
PAI FEH-4495 Electric Horn 12V Low Pitch
SKU: FEH-4495Cross reference: 38MR389SFEH4495UPC/EAN: 193807217440$32.97Each
PAI 804140 SwitchRock
SKU: 804140Cross reference: 1MR4323M152515300582278971UPC/EAN: 193807195366$62.23Each
PAI 131705 Gear Housing Gasket, ISO 9001 Quality Cert
SKU: 131705UPC/EAN: 193807139315$45.91Each
PAI MSW-1241 4-Pole Continuous Duty Relay Switch
SKU: MSW-1241Cross reference: 2MR2542MR3772MR377AMSW1241UPC/EAN: 193807178413$57.33Each
PAI 131840 Valve Cover Gasket Rubber, Cummins ISX Series
SKU: 131840Cross reference: 3104392UPC/EAN: 193807141219$60.58Each
PAI BOS-7310 Pinion Lip Seal 3-1/2"ID x 4.506"OD
SKU: BOS-7310Cross reference: 88AX440P4BOS7310FMC415991NFMC415991VMACK88AX440P4UPC/EAN: 193807248840$33.47Each
PAI 650648 Coolant Level Sensor, 2-Pin Rectangular Connector, 9/16-18 UNF-2A Thread
SKU: 650648Cross reference: 2352285523526907ATM577.23512SASS-22263UPC/EAN: 193807133924$61.27Each
PAI FGG-0517 Water Temperature Gauge, 96" Tube, 2-1/8" Dashboard Cutout, Mechanical
SKU: FGG-0517Cross reference: 1577-3033527FGG0517UPC/EAN: 193807171353$73.44Each
PAI 180201 ValveShutoff
SKU: 180201UPC/EAN: 193807145521$59.94Each
PAI 671570 Engine Connecting Rod Bearing Early Style 43mm Wide Standard Size
SKU: 671570UPC/EAN: 193807017835$33.94Each
PAI LPR-3712 Pressure Protection Valve, 1/4"NPT Ports, 85PSI Open/70PSI Close
SKU: LPR-3712Cross reference: 20QE2326ALPR3712VEL032222UPC/EAN: 193807208011$44.19Each
PAI 331219 Oil Pan Gasket, Caterpillar 3176/C10/C12 Engine Application
SKU: 331219Cross reference: 1095308CAT1095308UPC/EAN: 193807124687$74.17Each
PAI 505070 Piston Ring Set With Steel Oil Ring Cummins 855 Engine Application
SKU: 505070UPC/EAN: 193807086404$45.12Each
PAI 636024 Rear Crankshaft Oil Seal, Single-Lip, 5-3/16" ID x 6.506" OD x 5/8" Depth
SKU: 636024Cross reference: 23519651DDE23519651UPC/EAN: 193807071431$49.14Each
PAI BRG-3798 Wear Ring, 2-15/16" Shaft Diameter x 3-11/32" Flange O.D.
SKU: BRG-3798Cross reference: 1458-99293BRG3798UPC/EAN: 193807208899$41.59Each
PAI 650676 Oil Pressure Sensor Detroit Diesel DD15
SKU: 650676Cross reference: A0071530828UPC/EAN: 193807134389The PAI 650676 SensorPos offers reliable performance for various applications. Ideal for precision tasks in demanding environments.
$53.05Each
PAI 050626 Intake Manifold Pressure Temperature Dual Sensor, 4-Pin, 1.81" Length
SKU: 050626Cross reference: 2897334UPC/EAN: 050626$74.51Each
PAI EM28860 TubeInj.
SKU: EM28860UPC/EAN: 193807083366$63.56Each
PAI 631261 Oil Pan Gasket, Detroit 60 Series, 45-1/2" Length, One-Piece Molded
SKU: 631261Cross reference: 2352227923539104M23719S-18719UPC/EAN: 193807054359$48.75Each
