Clevite CB-1591P(6) Engine Connecting Rod Bearing Set
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Clevite

Clevite CB-1591P(6) Engine Connecting Rod Bearing Set

Brand Clevite CB-1591P(6)
Bearing Item Grade Oe replacement
Bearing Material Tm-1
Bearing O.D. or Housing Bore (max.) 2.0866
Bearing O.D. or Housing Bore (min.) 2.0866
Bearing Series P
Max. Length 0.6690
Max. Wall 0.0594
Meets or Exceeds Original Equipment Manufacture Specifications Yes
Size Standard
Standard Shaft Diameter (max.) 1.9675
Standard Shaft Diameter (min.) 1.9669
Unit of Measure Inches
Vertical Oil Clearance (max.) 0.0024
Vertical Oil Clearance (min.) 0.0006
Fits INFINITI, Mercury, and Nissan · 91 vehicles

OE replacement. Meets or exceeds original equipment manufacturer specifications.

Tri-metal design. Increased load capacity for demanding use and performance builds.

P-Series versatility. Suitable for most OE applications and engine rebuilds.

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Clevite CB-1591P(6) Connecting Rod Bearings

Clevite CB-1591P(6) engine connecting rod bearings are built for OE replacement service with the added load capacity of a tri-metal design. This P-Series bearing set is a practical choice for Nissan and INFINITI engine rebuilds where standard-size replacement bearings are needed for street performance, heavy-duty use, or motorsports-oriented rebuilds.

Key Features

  • OE replacement engine connecting rod bearing set
  • P-Series tri-metal construction for increased load capacity
  • Standard size for engines requiring standard shaft diameter clearance
  • Meets or exceeds original equipment manufacturer specifications
  • TM-1 bearing material for rebuild applications with higher demand
  • Vertical oil clearance range: 0.0006 to 0.0024 inches
  • Standard shaft diameter range: 1.9669 to 1.9675 inches

Detailed Description

The Clevite CB-1591P(6) is part of the P-Series line, a versatile replacement bearing family used across a wide range of OE applications. Its tri-metal construction is selected for engines that see more demanding service than basic commuter use, while still maintaining the standard dimensions needed for proper rebuild fitment. This makes the CB-1591P(6) a strong option for Nissan Pathfinder, Nissan Maxima, and Nissan 300ZX engine rebuilds, along with other listed applications.

Fits 1984-1996 Nissan 300ZX, N/A. Fits 1985-1994 Nissan Maxima, N/A. Fits 1987-2000 Nissan Pathfinder, N/A. Fits 1999-2004 Nissan Frontier, N/A. Fits 2000-2004 Nissan Xterra, N/A. Fits 1993-2002 Nissan Quest, N/A. Fits 1993-2002 Mercury Villager, N/A. Fits 1997-1999 INFINITI QX4, N/A. Fits 1993-1997 INFINITI J30, N/A. Fits 1990-1992 INFINITI M30, N/A. Fits 1986-1994 Nissan D21, N/A. Fits 1995 Nissan Pickup, N/A. Fits 1987-1988 Nissan 200SX, N/A.

Common Rebuild Uses

  • Replacing worn connecting rod bearings during an engine overhaul
  • Correcting bearing wear from oil contamination or extended service intervals
  • Restoring proper oil clearance in high-mileage Nissan and INFINITI engines
  • Addressing rod bearing noise caused by bearing fatigue or surface wear
  • Upgrading from bi-metal bearings in engines that see heavier use

Installation Notes and Tips

Verify crankshaft journal diameter, housing bore, and oil clearance before assembly. The CB-1591P(6) is a standard-size bearing set, so it should be matched to an engine that has not been undersized during crankshaft machining. Clean all bearing surfaces thoroughly, follow the engine builder’s clearance specifications, and use proper assembly lubrication during installation.

Quality Assurance

Clevite designs the P-Series for OE replacement service with tri-metal load capacity suited to demanding rebuilds. The CB-1591P(6) meets or exceeds original equipment manufacturer specifications and is engineered for standard-size rebuild applications across the listed Nissan, INFINITI, and Mercury models.

Related reading

This part fits 91 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2004NissanFrontier3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2004NissanXterra3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2003NissanFrontier3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2003NissanXterra3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2002MercuryVillager3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2002NissanFrontier3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2002NissanQuest3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2002NissanXterra3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2001MercuryVillager3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2001NissanFrontier3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2001NissanQuest3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2001NissanXterra3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2000MercuryVillager3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2000NissanFrontier3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2000NissanPathfinder3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2000NissanQuest3.3LV6OE Replacement; P Series (Tri-Metal); Standard
2000NissanXterra3.3LV6OE Replacement; P Series (Tri-Metal); Standard
1999INFINITIQX43.3LV6OE Replacement; P Series (Tri-Metal); Standard
1999MercuryVillager3.3LV6OE Replacement; P Series (Tri-Metal); Standard
1999NissanFrontier3.3LV6OE Replacement; P Series (Tri-Metal); Standard
1999NissanPathfinder3.3LV6OE Replacement; P Series (Tri-Metal); Standard
1999NissanQuest3.3LV6OE Replacement; P Series (Tri-Metal); Standard
1998INFINITIQX43.3LV6OE Replacement; P Series (Tri-Metal); Standard
1998MercuryVillager3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1998NissanPathfinder3.3LV6OE Replacement; P Series (Tri-Metal); Standard
1998NissanQuest3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1997INFINITIJ303.0LV6OE Replacement; P Series (Tri-Metal); Standard
1997INFINITIQX43.3LV6OE Replacement; P Series (Tri-Metal); Standard
1997MercuryVillager3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1997NissanPathfinder3.3LV6OE Replacement; P Series (Tri-Metal); Standard
1997NissanQuest3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1996INFINITIJ303.0LV6OE Replacement; P Series (Tri-Metal); Standard
1996MercuryVillager3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1996Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1996NissanPathfinder3.3LV6OE Replacement; P Series (Tri-Metal); Standard
1996NissanQuest3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1995INFINITIJ303.0LV6OE Replacement; P Series (Tri-Metal); Standard
1995MercuryVillager3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1995Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1995NissanPathfinder3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1995NissanPickup3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1995NissanQuest3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1994INFINITIJ303.0LV6OE Replacement; P Series (Tri-Metal); Standard
1994MercuryVillager3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1994Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1994NissanD213.0LV6OE Replacement; P Series (Tri-Metal); Standard
1994NissanMaxima3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1994NissanPathfinder3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1994NissanQuest3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1993INFINITIJ303.0LV6OE Replacement; P Series (Tri-Metal); Standard
1993MercuryVillager3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1993Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1993NissanD213.0LV6OE Replacement; P Series (Tri-Metal); Standard
1993NissanMaxima3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1993NissanPathfinder3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1993NissanQuest3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1992INFINITIM303.0LV6OE Replacement; P Series (Tri-Metal); Standard
1992Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1992NissanD213.0LV6OE Replacement; P Series (Tri-Metal); Standard
1992NissanMaxima3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1992NissanPathfinder3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1991INFINITIM303.0LV6OE Replacement; P Series (Tri-Metal); Standard
1991Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1991NissanD213.0LV6OE Replacement; P Series (Tri-Metal); Standard
1991NissanMaxima3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1991NissanPathfinder3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1990INFINITIM303.0LV6OE Replacement; P Series (Tri-Metal); Standard
1990Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1990NissanD213.0LV6OE Replacement; P Series (Tri-Metal); Standard
1990NissanMaxima3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1990NissanPathfinder3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1989Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1989NissanD213.0LV6OE Replacement; P Series (Tri-Metal); Standard
1989NissanMaxima3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1989NissanPathfinder3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1988Nissan200SX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1988Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1988NissanD213.0LV6OE Replacement; P Series (Tri-Metal); Standard
1988NissanMaxima3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1988NissanPathfinder3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1987Nissan200SX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1987Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1987NissanD213.0LV6OE Replacement; P Series (Tri-Metal); Standard
1987NissanMaxima3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1987NissanPathfinder3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1986Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1986NissanD213.0LV6OE Replacement; P Series (Tri-Metal); Standard
1986NissanMaxima3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1985Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1985NissanMaxima3.0LV6OE Replacement; P Series (Tri-Metal); Standard
1984Nissan300ZX3.0LV6OE Replacement; P Series (Tri-Metal); Standard