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Multi-Purpose Seal
rnrn rnNational® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
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- Design type: spring loaded; multi-lip
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- Temperature range: -40°F to 225°F / -40°C to 107°C
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- Good low temperature capability
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- Low swell in hydrocarbon fluids
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- Delivers quality and reliable performance for every type of repair
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$7.99Multi-Purpose Seal
$7.99 -
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Multi-Purpose Seal
rnrn rnNational® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
rn rn
-
- rn
- Design type: spring loaded; multi-lip
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- Temperature range: -40°F to 400°F / -40°C to 204°C
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- Excellent high temperature capabilities
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- Compatible with wide range of fluids
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- Delivers quality and reliable performance for every type of repair
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$10.99Multi-Purpose Seal
$10.99 -
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Engine Crankshaft Seal

THO Premium Engine Crankshaft Oil Seal – Made in Japan (Part Number: MD174940)
Prevent messy driveway stains and safeguard your internal engine pressure with this premium THO MD174940 Engine Crankshaft Seal. Proudly manufactured in Japan, THO oil seals are engineered to strict original equipment (OE) tolerances, serving as a direct plug-and-play fix for failing factory gaskets. Built from high-grade polyacrylate or fluorocarbon rubber, this precision-molded seal is designed to withstand extreme crankcase temperatures, friction, and motor oils, ensuring an airtight, leak-free grip around the rotating shaft.- Part Number: MD174940.
- Brand: THO (Premium Japanese Sealing Solutions).
- Manufacturing Country: Made in Japan (Hecho en Japón).
- Design: High-precision lip seal engineered to exclude external road dirt while retaining oil.
- Core Compatibility: Fits highly popular Mitsubishi, Hyundai, and Kia platforms utilizing 4-cylinder and V6 engines:
- Mitsubishi: Lancer, Outlander, Mirage, Montero, Galant, and Eclipse.
- Hyundai / Kia: Select classic platforms sharing original Mitsubishi engine designs.
- OEM Cross-References: Direct equivalent to original factory numbers Mitsubishi MD174940, MD372248, and MD343563.
- Availability: In stock and ready for immediate dispatch from SUTIENDAPR.COM with rapid local shipping to any town or mailbox across Puerto Rico.
Don’t let a minor oil leak compromise your timing belt or lower engine lubrication levels. Trust the professional-grade validation of Japanese-engineered THO seals to keep your vehicle running clean.
$14.99Engine Crankshaft Seal
$14.99 -
Multi-Purpose Seal
rnrn rnNational® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
rn rn
-
- rn
- Design type: spring loaded; multi-lip
rn
-
- Temperature range: -40°F to 225°F / -40°C to 107°C
rn
-
- Good low temperature capability
rn
-
- Low swell in hydrocarbon fluids
rn
-
- Delivers quality and reliable performance for every type of repair
rn
$12.99Multi-Purpose Seal
$12.99 -
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Multi-Purpose Seal

National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
- Design type: spring loaded; single-lip
- Temperature range: -80°F to 350°F / -62°C to 176°C
- Good dry heat resistance
- Excellent low temperature capability
- Delivers quality and reliable performance for every type of repair tracer 1.9
$9.99Multi-Purpose Seal
$9.99 -
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