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Expansion Tank Cap

PART#: 31522
Gates

$3.09

In stock

In Stock

In stock

Warranty information
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation.
Specifications
California Proposition 65WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
Cap Depth1.25
Coolant Recovery SystemOptional System
Filler Neck Depth (in).75
Filler Neck Depth (mm)19
Filler Neck Inside Diameter1.61
Filler Neck Inside Diameter41
Filler Neck Outside Diameter2.13
Filler Neck Outside Diameter54
OE Comparison RatingOE Performance
Pressure Rating (psi)20
SAE Pressure Range (psi)18-22
Shell Diameter (in)2.33
TypeStandard Cap
Interchanges
BrandPart #
ACDelco12R11
BMW171111782
BMW17112227683
Carquest33026
Carquest33038
CARQUEST or Stant10235
Chrysler5183710AA
Chrysler52079778AA
Chrysler5278767AA
CST7020
Edelmann46027
Edelmann46039
EdelmannER-24 / ER24
Ideal Tridon46027
Ideal Tridon46039
Mercedes-Benz1245000106
Mercedes-Benz1245000206
Mercedes-Benz1245000406
Mercedes-Benz1245010515
Mercedes-Benz1295000006
MotoradT-20 / T20
NAPA703-2465 / 7032465
NAPA Belts/Hose31522
Porsche171 121 321 B / 171121321B
RaproR66116
RexA-22 / A22
Stant10235
Stant11235
Stant46039
StantR-35 / R35
Fitments
VehiclePositionNote
1991 BMW M3 E30 Radiator Cap20 psi Pressure Rating | 2.3 L4; GAS;
1990 BMW M3 E30 Radiator Cap20 psi Pressure Rating | 2.3 L4; GAS;
1989 BMW M3 E30 Radiator Cap20 psi Pressure Rating | 2.3 L4; GAS;
1988 BMW M3 E30 Radiator Cap20 psi Pressure Rating | 2.3 L4; GAS;
1988 BMW M5 E28 Radiator Cap20 psi Pressure Rating | 3.5 L6; GAS;
1988 BMW M6 E24 Radiator Cap20 psi Pressure Rating | 3.5 L6; GAS;
1987 BMW M6 E24 Radiator Cap20 psi Pressure Rating | 3.5 L6; GAS;
1986 BMW 524td E28 Radiator Cap20 psi Pressure Rating | 2.4 L6; DIESEL;
1985 BMW 524td E28 Radiator Cap20 psi Pressure Rating | 2.4 L6; DIESEL;

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