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1990 Infiniti Q45 Engine Parts

Save up to 40% on original replacement 1990 Infiniti Q45 maintenance and repair parts. Over 400 high-quality, direct-fit parts for a 1990 Infiniti Q45, offered by well-known brands such as DORMAN, BWD, CARDONE. Find Brakes, Engine, Suspension, and many more car parts with our easy-to-use online catalogue.
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1990 infiniti q45
$ 97.44
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Loc: R.H.; Head bolts not incl.; Head bolt replacement recommended; Right
1990 infiniti q45
$ 19.57
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Type: Rear Main Seal Set; Rubber; One-piece; Rear
1990 infiniti q45
$ 474.81
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Head bolts not incl.; Head bolt replacement recommended; RTV sealant incl. for valve cover gskts.; Premium valve stem seals incl.; Quantity Required: 1
1990 infiniti q45
$ 101.70
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Lower set; Upper set incl.; Quantity Required: 1
1990 infiniti q45
$ 22.22
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Quantity Required: 1
1990 infiniti q45
$ 14.60
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Quantity Required: 1
1990 infiniti q45
$ 51.30
In Stock
Brand: Fel-Pro
Quantity Required: 4
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Premium valve stem seals incl.; Quantity Required: 4
1990 infiniti q45
$ 27.37
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Type: Crankshaft Front Seal Set; Front
1990 infiniti q45
$ 26.28
In Stock
Brand: Fel-Pro
Quantity Required: 1
Condition: New
1 Year Warranty
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); w/Semi-circular plugs & Grommets; RTV Black silicone; Quantity Required: 1
1990 infiniti q45
$11.98
$ 7.40
In Stock
Brand: Fram
Quantity Required: 1
Condition: New
Vehicle fitment:
Spin-on Oil Filter; Quantity Required: 1
1990 infiniti q45
$ 9.45
In Stock
Brand: SKF
Quantity Required: 1
Condition: New
2 Year Warranty.
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Quantity Required: 1
1990 infiniti q45
$ 39.12
In Stock
Brand: SKF
Quantity Required: 1
Condition: New
2 Year Warranty.
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Quantity Required: 1
1990 infiniti q45
$ 12.97
In Stock
Brand: BWD
Quantity Required: 1
Condition: New
Vehicle fitment:
Quantity Required: 1
1990 infiniti q45
$ 18.92
In Stock
Brand: SKF
Quantity Required: 1
Condition: New
2 Year Warranty.
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Rear
1990 infiniti q45
$89.53
$ 47.03
In Stock
Brand: Timken
Quantity Required: 1
Condition: New
3 Year Warranty.
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Rear
1990 infiniti q45
$20.53
$ 11.68
In Stock
Brand: Timken
Quantity Required: 1
Condition: New
3 Year Warranty.
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Front
1990 infiniti q45
$21.53
$ 14.36
In Stock
Brand: Clevite
Quantity Required: 8
Condition: New
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Material Grade OE Replacement; Series P Series (Tri-Metal); Size Standard; Quantity Required: 8
1990 infiniti q45
$125.68
$ 83.86
In Stock
Brand: Clevite
Quantity Required: 1
Condition: New
Vehicle fitment:
Cylinder Head: DOHC; Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Engine Designation: VH45DE; Engine VIN: N; Valves: 32; Material Grade OE Replacement; Series P Series (Tri-Metal); Size Standard; Note Requires Thrust Washer Set, Not Included, Use With Part Number TW-597S; Quantity Required: 1
1990 infiniti q45
$26.57
$ 17.73
In Stock
Brand: Clevite
Quantity Required: 1
Condition: New
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Engine Manufacturer: Nissan; Material Grade OE Replacement; Position 4; Quantity Required: 1
1990 infiniti q45
$39.67
$ 20.90
In Stock
Brand: Cloyes
Quantity Required: 2
Condition: New
Limited Lifetime Warranty
Vehicle fitment:
Upper
1990 infiniti q45
$163.87
$ 80.03
In Stock
Brand: Cloyes
Quantity Required: 1
Condition: New
Limited Lifetime Warranty
Vehicle fitment:
Loose Side; Left
1990 infiniti q45
$48.08
$ 25.35
In Stock
Brand: Cloyes
Quantity Required: 1
Condition: New
Limited Lifetime Warranty
Vehicle fitment:
For Oil Pump Chain; Lower
1990 infiniti q45
$159.48
$ 77.90
In Stock
Brand: Cloyes
Quantity Required: 1
Condition: New
Limited Lifetime Warranty
Vehicle fitment:
Loose Side; Right
1990 infiniti q45
$137.24
$ 67.03
In Stock
Brand: Cloyes
Quantity Required: 2
Condition: New
Limited Lifetime Warranty
Vehicle fitment:
Tooth Quantity: 19; Outer
1990 infiniti q45
$ 14.22
In Stock
Brand: Dorman
Quantity Required: 1
Condition: New
LIMITED LIFETIME WARRANTY: Dorman, takes pride in the quality of their products, and your satisfaction with their product's performance. Thus, Dorman warrants its products to be free from defects in material and workmanship under normal use and service. As your exclusive remedy, Dorman will replace free of charge any Dorman product that in Dorman's reasonable determination does not comply with the foregoing warranty. This warranty is voided by non-recommended use, improper installation, or physical damage. In addition, Dorman will not be liable for any incidental or consequential damages and your exclusive remedy shall be replacement of the product that did not comply with this limited warranty.ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE ARE SPECIFICALLY EXCLUDED. Federal and/or state laws may provide you with other warranties for this product. Some states do not allow the exclusion or limitation of incidental or consequential damages.Should you need to replace any Dorman parts covered under this limited warranty, please see the store of purchase with your used part and original sales receipt.
Vehicle fitment:
M12 x 1.25 Thread; 14 mm Head; Shank Length (In): 0.472 In.; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Head Size (SAE/Metric): 14 mm; Quantity Required: 1
1990 infiniti q45
$ 2.97
In Stock
Brand: Dorman
Quantity Required: 1
Condition: New
LIMITED LIFETIME WARRANTY: Dorman, takes pride in the quality of their products, and your satisfaction with their product's performance. Thus, Dorman warrants its products to be free from defects in material and workmanship under normal use and service. As your exclusive remedy, Dorman will replace free of charge any Dorman product that in Dorman's reasonable determination does not comply with the foregoing warranty. This warranty is voided by non-recommended use, improper installation, or physical damage. In addition, Dorman will not be liable for any incidental or consequential damages and your exclusive remedy shall be replacement of the product that did not comply with this limited warranty.ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE ARE SPECIFICALLY EXCLUDED. Federal and/or state laws may provide you with other warranties for this product. Some states do not allow the exclusion or limitation of incidental or consequential damages.Should you need to replace any Dorman parts covered under this limited warranty, please see the store of purchase with your used part and original sales receipt.
Vehicle fitment:
M12 x 1.25 Thread; 14 mm Head; Shank Length (In): 0.472 In.; Package Quantity: 1; Dorman - AutoGrade - Bagged; Packaging Type: Bag; Head Size (SAE/Metric): 14 mm; Quantity Required: 1
1990 infiniti q45
$ 14.88
In Stock
Brand: Dorman
Quantity Required: 1
Condition: New
LIMITED LIFETIME WARRANTY: Dorman, takes pride in the quality of their products, and your satisfaction with their product's performance. Thus, Dorman warrants its products to be free from defects in material and workmanship under normal use and service. As your exclusive remedy, Dorman will replace free of charge any Dorman product that in Dorman's reasonable determination does not comply with the foregoing warranty. This warranty is voided by non-recommended use, improper installation, or physical damage. In addition, Dorman will not be liable for any incidental or consequential damages and your exclusive remedy shall be replacement of the product that did not comply with this limited warranty.ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE ARE SPECIFICALLY EXCLUDED. Federal and/or state laws may provide you with other warranties for this product. Some states do not allow the exclusion or limitation of incidental or consequential damages.Should you need to replace any Dorman parts covered under this limited warranty, please see the store of purchase with your used part and original sales receipt.
Vehicle fitment:
M12 x 1.25 Thread; 13 mm Head; Describe Type: Pilot Point; Shank Length (In): 0.779 In.; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Head Size (SAE/Metric): 14 mm; Quantity Required: 1
1990 infiniti q45
$ 3.26
In Stock
Brand: Dorman
Quantity Required: 1
Condition: New
LIMITED LIFETIME WARRANTY: Dorman, takes pride in the quality of their products, and your satisfaction with their product's performance. Thus, Dorman warrants its products to be free from defects in material and workmanship under normal use and service. As your exclusive remedy, Dorman will replace free of charge any Dorman product that in Dorman's reasonable determination does not comply with the foregoing warranty. This warranty is voided by non-recommended use, improper installation, or physical damage. In addition, Dorman will not be liable for any incidental or consequential damages and your exclusive remedy shall be replacement of the product that did not comply with this limited warranty.ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE ARE SPECIFICALLY EXCLUDED. Federal and/or state laws may provide you with other warranties for this product. Some states do not allow the exclusion or limitation of incidental or consequential damages.Should you need to replace any Dorman parts covered under this limited warranty, please see the store of purchase with your used part and original sales receipt.
Vehicle fitment:
M12 x 1.25 Thread; 13 mm Head; Describe Type: Pilot Point; Shank Length (In): 0.779 In.; Package Quantity: 1; Dorman - AutoGrade - Bagged; Packaging Type: Bag; Head Size (SAE/Metric): 14 mm; Quantity Required: 1
1990 infiniti q45
$ 9.57
In Stock
Brand: Dorman
Quantity Required: 1
Condition: New
LIMITED LIFETIME WARRANTY: Dorman, takes pride in the quality of their products, and your satisfaction with their product's performance. Thus, Dorman warrants its products to be free from defects in material and workmanship under normal use and service. As your exclusive remedy, Dorman will replace free of charge any Dorman product that in Dorman's reasonable determination does not comply with the foregoing warranty. This warranty is voided by non-recommended use, improper installation, or physical damage. In addition, Dorman will not be liable for any incidental or consequential damages and your exclusive remedy shall be replacement of the product that did not comply with this limited warranty.ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE ARE SPECIFICALLY EXCLUDED. Federal and/or state laws may provide you with other warranties for this product. Some states do not allow the exclusion or limitation of incidental or consequential damages.Should you need to replace any Dorman parts covered under this limited warranty, please see the store of purchase with your used part and original sales receipt.
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box; Inside Diameter (in): 0.44 In.; Outside Diameter (In): 0.69 In.; Gasket Copper; Package Contents: 10 Copper Gaskets; Quantity Required: 1
1990 infiniti q45
$ 9.31
In Stock
Brand: Dorman
Quantity Required: 1
Condition: New
LIMITED LIFETIME WARRANTY: Dorman, takes pride in the quality of their products, and your satisfaction with their product's performance. Thus, Dorman warrants its products to be free from defects in material and workmanship under normal use and service. As your exclusive remedy, Dorman will replace free of charge any Dorman product that in Dorman's reasonable determination does not comply with the foregoing warranty. This warranty is voided by non-recommended use, improper installation, or physical damage. In addition, Dorman will not be liable for any incidental or consequential damages and your exclusive remedy shall be replacement of the product that did not comply with this limited warranty.ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE ARE SPECIFICALLY EXCLUDED. Federal and/or state laws may provide you with other warranties for this product. Some states do not allow the exclusion or limitation of incidental or consequential damages.Should you need to replace any Dorman parts covered under this limited warranty, please see the store of purchase with your used part and original sales receipt.
Vehicle fitment:
6 Required; 30 mm; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box; Quantity Required: 1
1990 infiniti q45
$3.22
$ 2.86
In Stock
Brand: Dorman
Quantity Required: 1
Condition: New
LIMITED LIFETIME WARRANTY: Dorman, takes pride in the quality of their products, and your satisfaction with their product's performance. Thus, Dorman warrants its products to be free from defects in material and workmanship under normal use and service. As your exclusive remedy, Dorman will replace free of charge any Dorman product that in Dorman's reasonable determination does not comply with the foregoing warranty. This warranty is voided by non-recommended use, improper installation, or physical damage. In addition, Dorman will not be liable for any incidental or consequential damages and your exclusive remedy shall be replacement of the product that did not comply with this limited warranty.ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE ARE SPECIFICALLY EXCLUDED. Federal and/or state laws may provide you with other warranties for this product. Some states do not allow the exclusion or limitation of incidental or consequential damages.Should you need to replace any Dorman parts covered under this limited warranty, please see the store of purchase with your used part and original sales receipt.
Vehicle fitment:
M12 x 1.25 Thread; 13 mm Head; Describe Type: Pilot Point; Shank Length (In): 0.779 In.; Package Quantity: 1; Dorman - AutoGrade - Oil-Tite!; Packaging Type: Card; Head Size (SAE/Metric): 14 mm; Quantity Required: 1
1990 infiniti q45
$2.52
$ 2.24
In Stock
Brand: Dorman
Quantity Required: 1
Condition: New
LIMITED LIFETIME WARRANTY: Dorman, takes pride in the quality of their products, and your satisfaction with their product's performance. Thus, Dorman warrants its products to be free from defects in material and workmanship under normal use and service. As your exclusive remedy, Dorman will replace free of charge any Dorman product that in Dorman's reasonable determination does not comply with the foregoing warranty. This warranty is voided by non-recommended use, improper installation, or physical damage. In addition, Dorman will not be liable for any incidental or consequential damages and your exclusive remedy shall be replacement of the product that did not comply with this limited warranty.ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE ARE SPECIFICALLY EXCLUDED. Federal and/or state laws may provide you with other warranties for this product. Some states do not allow the exclusion or limitation of incidental or consequential damages.Should you need to replace any Dorman parts covered under this limited warranty, please see the store of purchase with your used part and original sales receipt.
Vehicle fitment:
M12 x 1.25 Thread; 14 mm Head; Shank Length (In): 0.472 In.; Package Quantity: 1; Dorman - AutoGrade - Oil-Tite!; Packaging Type: Card; Head Size (SAE/Metric): 14 mm; Quantity Required: 1
1990 infiniti q45
$22.02
$ 13.58
In Stock
Brand: Fram
Quantity Required: 1
Condition: New
Vehicle fitment:
Spin-on Oil Filter; Quantity Required: 1
1990 infiniti q45
$ 11.29
In Stock
Quantity Required: 16
Condition: New
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Loc: Exh.; Standard Size; 1.3820" OD; 1.1070" ID; 0.2370" Depth; 35.1030MM O.D.; 28.1180MM I.D.; 6.0200MM Depth; 45 Degree Seat Ange; Exhaust
1990 infiniti q45
$ 1.56
In Stock
Quantity Required: 16
Condition: New
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Loc: Int.; Positive type; (VTN) Viton; Intake
1990 infiniti q45
$ 2.93
In Stock
Quantity Required: 16
Condition: New
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Loc: Exh.; Positive type; (RBB) Rubber; Exhaust
1990 infiniti q45
$ 4.59
In Stock
Quantity Required: 16
Condition: New
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Loc: Int.; 0.2760" ID; 2.0700" O.A.L; 0.4347" O.D.; 7.0100MM ID; 52.5780MM O.A.L.; 11.0410MM OD; Intake
1990 infiniti q45
$ 4.57
In Stock
Quantity Required: 16
Condition: New
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Loc: Exh.; 0.3100" ID; 2.2000" O.A.L; 0.4800" O.D.; 7.8740MM ID; 55.8800MM O.A.L.; 12.1920MM OD; Exhaust
1990 infiniti q45
$ 0.97
In Stock
Quantity Required: 32
Condition: New
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Loc: Exh.; Exhaust
1990 infiniti q45
$ 0.97
In Stock
Quantity Required: 32
Condition: New
Vehicle fitment:
Engine Base: 4.5L 4494cc (-CID) V8 Bore 93.0cm (3.66in.) Stroke 82.7cm (3.26in.); Loc: Int.; Intake