HomeEngine > Valve Train ComponentsGates T251RB Engine Timing Belt
Part #: T251RB

Gates T251RB Engine Timing Belt

High Performance Automotive Timing Belt
⚙️ 12 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$155.50Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦High Performance Automotive Timing Belt
🚗Fitment: INFINITI and Nissan, J30 and 300ZX
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates High Performance Automotive Timing Belt T251RB

The Gates High Performance Automotive Timing Belt T251RB is engineered for reliable valve train operation in select Nissan and INFINITI vehicles. Designed with precision, this timing belt ensures accurate engine timing and durability for models such as the Nissan 300ZX and INFINITI J30.

  • High performance automotive timing belt with modified curvilinear (iii) profile
  • Top width of 32 mm (1.25 inches) for optimal fit and strength
  • Blue color for easy identification during installation
  • Fiberglass cord material providing enhanced tensile strength
  • 228 teeth with .315 inch (8 mm) pitch for precise timing engagement
  • Includes timing marks to assist with accurate alignment
  • Constructed from HSN belt material for durability and heat resistance

Detailed Product Description

The Gates T251RB timing belt is part of the High Performance Automotive Timing Belt line, designed to meet the demands of high-stress engine environments. This belt features a modified curvilinear (iii) tooth profile that improves meshing with sprockets, reducing wear and noise. The fiberglass cord reinforcement enhances tensile strength, maintaining belt integrity under high loads and temperature variations. With a pitch length of 1824 mm (71.81 inches) and 228 teeth, this belt is engineered to maintain precise valve timing for smooth engine operation. The blue color aids technicians in quick identification during maintenance or replacement.

Compatible Vehicles and Applications

This timing belt is compatible with the following vehicles:

  • Nissan 300ZX
  • INFINITI J30

It is specifically designed to replace the original equipment timing belt in these models, ensuring proper fit and function.

Common Issues Addressed by the Gates T251RB Timing Belt

  • Prevents engine timing slippage that can cause poor performance or engine damage
  • Reduces risk of belt wear and breakage under high-performance conditions
  • Maintains accurate valve timing to avoid misfires and rough idling
  • Helps eliminate noise caused by worn or damaged belts
  • Supports engine longevity by ensuring consistent timing belt operation

Installation Notes and Tips

  • Verify compatibility with Nissan 300ZX or INFINITI J30 before installation
  • Use timing marks on the belt to align with engine sprockets accurately
  • Inspect pulleys and tensioners for wear and replace if necessary during timing belt service
  • Follow manufacturer torque specifications for belt tension to avoid premature wear
  • Ensure the engine is cool before beginning installation to prevent injury

Quality Assurance and Warranty

The Gates High Performance Automotive Timing Belt T251RB is manufactured to meet strict quality standards for durability and performance. Constructed with HSN belt material and fiberglass cords, it offers resistance to heat and wear typical in automotive engine environments. While specific warranty details are not provided here, Gates products generally come with manufacturer-backed warranties to ensure customer confidence and product reliability.

BrandGates
Part NumberT251RB
PositionHigh Performance Automotive Timing Belt
71.81
1824
Belt MaterialHSN
Belt MaterialHSN
Belt Quantity1
Cog Quantity228
ColorBlue
Cord MaterialFiberglass
Cord MaterialFiberglass
Grade TypeHigh Performance
Number of Belts1
Number of Teeth228
Pitch.315
Pitch8
Pitch (in).315
Pitch (mm)8
Pitch Length (in)71.81
Pitch Length (mm)1824
Profile TypeModified Curvilinear (III)
Timing MarksYes
Timing MarksYes
Top Width1.25
Top Width32
TypeHigh Performance Automotive Timing Belt
TypeHigh Performance Automotive Timing Belt

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1997INFINITIJ303.0LV6GASN/AInterference engine application: blue.; High Performance Automotive Timing Belt
1996INFINITIJ303.0LV6GASN/AInterference engine application: blue.; High Performance Automotive Timing Belt
1996Nissan300ZX3.0LV6GASN/AInterference engine application: blue.; High Performance Automotive Timing Belt
1995INFINITIJ303.0LV6GASN/AInterference engine application: blue.; High Performance Automotive Timing Belt
1995Nissan300ZX3.0LV6GASN/AInterference engine application: blue.; High Performance Automotive Timing Belt
1994INFINITIJ303.0LV6GASN/AInterference engine application: blue.; High Performance Automotive Timing Belt
1994Nissan300ZX3.0LV6GASN/AInterference engine application: blue.; High Performance Automotive Timing Belt
1993INFINITIJ303.0LV6GASN/APreferred Belt; Blue; Interference engine application; High Performance Automotive Timing Belt
1993Nissan300ZX3.0LV6GASN/APreferred Belt; Blue; Interference engine application; Does not include cam. tensioner hyd. assy.; High Performance Automotive Timing Belt
1992Nissan300ZX3.0LV6GASN/APreferred Belt; Blue; Interference engine application; Does not include cam. tensioner hyd. assy.; High Performance Automotive Timing Belt
1991Nissan300ZX3.0LV6GASN/APreferred Belt; Blue; Interference engine application; Does not include cam. tensioner hyd. assy.; High Performance Automotive Timing Belt
1990Nissan300ZX3.0LV6GASN/APreferred Belt; Blue; Interference engine application; Does not include cam. tensioner hyd. assy.; High Performance Automotive Timing Belt

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1302845P001302845P86250251402519525195251FNB251CD-251OHC251T251T251RBTB-251TB251

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.